Home / 78,725,140.10-118,087,710.15-44,287,763.30

Finding the Fourth Proportional to 78,725,140.10, 118,087,710.15 and 44,287,763.30

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Solution

The fourth proportional to 78,725,140.10, 118,087,710.15 and 44,287,763.30 is: 66,431,644.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,725,140.10 : 118,087,710.15 = 44,287,763.30 : x
  2. Step 2: Convert to fraction form
    78,725,140.10/118,087,710.15 = 44,287,763.30/x
  3. Step 3: Cross multiply
    78,725,140.10x = 118,087,710.15 × 44,287,763.30
  4. Step 4: Simplify right side
    78,725,140.10x = 5,229,840,555,762,207
  5. Step 5: Solve for x
    x = 5,229,840,555,762,207/78,725,140.10
  6. Step 6: Final answer
    x = 66,431,644.95

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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.