Home / 47,391,140.40-71,086,710.60-38,781,796.20

Finding the Fourth Proportional to 47,391,140.40, 71,086,710.60 and 38,781,796.20

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Solution

The fourth proportional to 47,391,140.40, 71,086,710.60 and 38,781,796.20 is: 58,172,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,391,140.40 : 71,086,710.60 = 38,781,796.20 : x
  2. Step 2: Convert to fraction form
    47,391,140.40/71,086,710.60 = 38,781,796.20/x
  3. Step 3: Cross multiply
    47,391,140.40x = 71,086,710.60 × 38,781,796.20
  4. Step 4: Simplify right side
    47,391,140.40x = 2,756,870,323,017,579.50
  5. Step 5: Solve for x
    x = 2,756,870,323,017,579.50/47,391,140.40
  6. Step 6: Final answer
    x = 58,172,694.30

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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.