Home / 105,770,864.32-158,572,854.83-66,827,231.47

Finding the Fourth Proportional to 105,770,864.32, 158,572,854.83 and 66,827,231.47

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Solution

The fourth proportional to 105,770,864.32, 158,572,854.83 and 66,827,231.47 is: 100,188,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,770,864.32 : 158,572,854.83 = 66,827,231.47 : x
  2. Step 2: Convert to fraction form
    105,770,864.32/158,572,854.83 = 66,827,231.47/x
  3. Step 3: Cross multiply
    105,770,864.32x = 158,572,854.83 × 66,827,231.47
  4. Step 4: Simplify right side
    105,770,864.32x = 10,596,984,874,948,402
  5. Step 5: Solve for x
    x = 10,596,984,874,948,402/105,770,864.32
  6. Step 6: Final answer
    x = 100,188,127.83

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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.