Home / 108,468,724.32-149,689,762.80-63,817,812.96

Finding the Fourth Proportional to 108,468,724.32, 149,689,762.80 and 63,817,812.96

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Solution

The fourth proportional to 108,468,724.32, 149,689,762.80 and 63,817,812.96 is: 88,070,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,468,724.32 : 149,689,762.80 = 63,817,812.96 : x
  2. Step 2: Convert to fraction form
    108,468,724.32/149,689,762.80 = 63,817,812.96/x
  3. Step 3: Cross multiply
    108,468,724.32x = 149,689,762.80 × 63,817,812.96
  4. Step 4: Simplify right side
    108,468,724.32x = 9,552,873,284,397,166
  5. Step 5: Solve for x
    x = 9,552,873,284,397,166/108,468,724.32
  6. Step 6: Final answer
    x = 88,070,301.78

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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.