Home / 72,403,333.20-108,604,999.80-41,792,331.60

Finding the Fourth Proportional to 72,403,333.20, 108,604,999.80 and 41,792,331.60

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Solution

The fourth proportional to 72,403,333.20, 108,604,999.80 and 41,792,331.60 is: 62,688,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,403,333.20 : 108,604,999.80 = 41,792,331.60 : x
  2. Step 2: Convert to fraction form
    72,403,333.20/108,604,999.80 = 41,792,331.60/x
  3. Step 3: Cross multiply
    72,403,333.20x = 108,604,999.80 × 41,792,331.60
  4. Step 4: Simplify right side
    72,403,333.20x = 4,538,856,165,059,534
  5. Step 5: Solve for x
    x = 4,538,856,165,059,534/72,403,333.20
  6. Step 6: Final answer
    x = 62,688,497.40

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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.