Home / 266,175,958.31-399,276,268.38-81,951,686.20

Finding the Fourth Proportional to 266,175,958.31, 399,276,268.38 and 81,951,686.20

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Solution

The fourth proportional to 266,175,958.31, 399,276,268.38 and 81,951,686.20 is: 122,931,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,175,958.31 : 399,276,268.38 = 81,951,686.20 : x
  2. Step 2: Convert to fraction form
    266,175,958.31/399,276,268.38 = 81,951,686.20/x
  3. Step 3: Cross multiply
    266,175,958.31x = 399,276,268.38 × 81,951,686.20
  4. Step 4: Simplify right side
    266,175,958.31x = 32,721,363,453,883,840
  5. Step 5: Solve for x
    x = 32,721,363,453,883,840/266,175,958.31
  6. Step 6: Final answer
    x = 122,931,325.81

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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.