Home / 78,724,862.10-118,087,293.15-44,287,485.30

Finding the Fourth Proportional to 78,724,862.10, 118,087,293.15 and 44,287,485.30

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Solution

The fourth proportional to 78,724,862.10, 118,087,293.15 and 44,287,485.30 is: 66,431,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,724,862.10 : 118,087,293.15 = 44,287,485.30 : x
  2. Step 2: Convert to fraction form
    78,724,862.10/118,087,293.15 = 44,287,485.30/x
  3. Step 3: Cross multiply
    78,724,862.10x = 118,087,293.15 × 44,287,485.30
  4. Step 4: Simplify right side
    78,724,862.10x = 5,229,789,259,497,416
  5. Step 5: Solve for x
    x = 5,229,789,259,497,416/78,724,862.10
  6. Step 6: Final answer
    x = 66,431,227.95

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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.