Home / 118,646,318.56-163,733,229.32-65,723,836.80

Finding the Fourth Proportional to 118,646,318.56, 163,733,229.32 and 65,723,836.80

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Solution

The fourth proportional to 118,646,318.56, 163,733,229.32 and 65,723,836.80 is: 90,699,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,646,318.56 : 163,733,229.32 = 65,723,836.80 : x
  2. Step 2: Convert to fraction form
    118,646,318.56/163,733,229.32 = 65,723,836.80/x
  3. Step 3: Cross multiply
    118,646,318.56x = 163,733,229.32 × 65,723,836.80
  4. Step 4: Simplify right side
    118,646,318.56x = 10,761,176,042,564,654
  5. Step 5: Solve for x
    x = 10,761,176,042,564,654/118,646,318.56
  6. Step 6: Final answer
    x = 90,699,620.29

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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.