Home / 86,925,385.20-130,388,077.80-52,488,008.40

Finding the Fourth Proportional to 86,925,385.20, 130,388,077.80 and 52,488,008.40

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Solution

The fourth proportional to 86,925,385.20, 130,388,077.80 and 52,488,008.40 is: 78,732,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,925,385.20 : 130,388,077.80 = 52,488,008.40 : x
  2. Step 2: Convert to fraction form
    86,925,385.20/130,388,077.80 = 52,488,008.40/x
  3. Step 3: Cross multiply
    86,925,385.20x = 130,388,077.80 × 52,488,008.40
  4. Step 4: Simplify right side
    86,925,385.20x = 6,843,810,522,826,253
  5. Step 5: Solve for x
    x = 6,843,810,522,826,253/86,925,385.20
  6. Step 6: Final answer
    x = 78,732,012.60

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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.