Home / 87,342,948,051.60-131,014,422,077.40-86,472,235,117.20

Finding the Fourth Proportional to 87,342,948,051.60, 131,014,422,077.40 and 86,472,235,117.20

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Solution

The fourth proportional to 87,342,948,051.60, 131,014,422,077.40 and 86,472,235,117.20 is: 129,708,352,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,342,948,051.60 : 131,014,422,077.40 = 86,472,235,117.20 : x
  2. Step 2: Convert to fraction form
    87,342,948,051.60/131,014,422,077.40 = 86,472,235,117.20/x
  3. Step 3: Cross multiply
    87,342,948,051.60x = 131,014,422,077.40 × 86,472,235,117.20
  4. Step 4: Simplify right side
    87,342,948,051.60x = 11,329,109,909,621,010,595,840
  5. Step 5: Solve for x
    x = 11,329,109,909,621,010,595,840/87,342,948,051.60
  6. Step 6: Final answer
    x = 129,708,352,675.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.