Home / 102,653,200.64-141,613,931.22-90,904,442.24

Finding the Fourth Proportional to 102,653,200.64, 141,613,931.22 and 90,904,442.24

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Solution

The fourth proportional to 102,653,200.64, 141,613,931.22 and 90,904,442.24 is: 125,406,079.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,653,200.64 : 141,613,931.22 = 90,904,442.24 : x
  2. Step 2: Convert to fraction form
    102,653,200.64/141,613,931.22 = 90,904,442.24/x
  3. Step 3: Cross multiply
    102,653,200.64x = 141,613,931.22 × 90,904,442.24
  4. Step 4: Simplify right side
    102,653,200.64x = 12,873,335,430,967,822
  5. Step 5: Solve for x
    x = 12,873,335,430,967,822/102,653,200.64
  6. Step 6: Final answer
    x = 125,406,079.41

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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.