Home / 266,563,758.59-399,900,172.96-91,664,077.61

Finding the Fourth Proportional to 266,563,758.59, 399,900,172.96 and 91,664,077.61

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Solution

The fourth proportional to 266,563,758.59, 399,900,172.96 and 91,664,077.61 is: 137,514,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,563,758.59 : 399,900,172.96 = 91,664,077.61 : x
  2. Step 2: Convert to fraction form
    266,563,758.59/399,900,172.96 = 91,664,077.61/x
  3. Step 3: Cross multiply
    266,563,758.59x = 399,900,172.96 × 91,664,077.61
  4. Step 4: Simplify right side
    266,563,758.59x = 36,656,480,490,457,864
  5. Step 5: Solve for x
    x = 36,656,480,490,457,864/266,563,758.59
  6. Step 6: Final answer
    x = 137,514,869.55

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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.