Home / 102,653,199.64-141,613,929.84-90,904,441.24

Finding the Fourth Proportional to 102,653,199.64, 141,613,929.84 and 90,904,441.24

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Solution

The fourth proportional to 102,653,199.64, 141,613,929.84 and 90,904,441.24 is: 125,406,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,653,199.64 : 141,613,929.84 = 90,904,441.24 : x
  2. Step 2: Convert to fraction form
    102,653,199.64/141,613,929.84 = 90,904,441.24/x
  3. Step 3: Cross multiply
    102,653,199.64x = 141,613,929.84 × 90,904,441.24
  4. Step 4: Simplify right side
    102,653,199.64x = 12,873,335,163,905,762
  5. Step 5: Solve for x
    x = 12,873,335,163,905,762/102,653,199.64
  6. Step 6: Final answer
    x = 125,406,078.03

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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.