Home / 102,653,226.64-141,613,967.06-90,904,468.24

Finding the Fourth Proportional to 102,653,226.64, 141,613,967.06 and 90,904,468.24

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Solution

The fourth proportional to 102,653,226.64, 141,613,967.06 and 90,904,468.24 is: 125,406,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,653,226.64 : 141,613,967.06 = 90,904,468.24 : x
  2. Step 2: Convert to fraction form
    102,653,226.64/141,613,967.06 = 90,904,468.24/x
  3. Step 3: Cross multiply
    102,653,226.64x = 141,613,967.06 × 90,904,468.24
  4. Step 4: Simplify right side
    102,653,226.64x = 12,873,342,370,491,654
  5. Step 5: Solve for x
    x = 12,873,342,370,491,654/102,653,226.64
  6. Step 6: Final answer
    x = 125,406,115.25

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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.