Home / 78,799,338.28-108,744,807.58-43,517,071.50

Finding the Fourth Proportional to 78,799,338.28, 108,744,807.58 and 43,517,071.50

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Solution

The fourth proportional to 78,799,338.28, 108,744,807.58 and 43,517,071.50 is: 60,054,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,799,338.28 : 108,744,807.58 = 43,517,071.50 : x
  2. Step 2: Convert to fraction form
    78,799,338.28/108,744,807.58 = 43,517,071.50/x
  3. Step 3: Cross multiply
    78,799,338.28x = 108,744,807.58 × 43,517,071.50
  4. Step 4: Simplify right side
    78,799,338.28x = 4,732,255,566,712,602
  5. Step 5: Solve for x
    x = 4,732,255,566,712,602/78,799,338.28
  6. Step 6: Final answer
    x = 60,054,508.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.