Home / 86,251,446.32-129,379,181.68-28,748,392.88

Finding the Fourth Proportional to 86,251,446.32, 129,379,181.68 and 28,748,392.88

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Solution

The fourth proportional to 86,251,446.32, 129,379,181.68 and 28,748,392.88 is: 43,123,260.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,251,446.32 : 129,379,181.68 = 28,748,392.88 : x
  2. Step 2: Convert to fraction form
    86,251,446.32/129,379,181.68 = 28,748,392.88/x
  3. Step 3: Cross multiply
    86,251,446.32x = 129,379,181.68 × 28,748,392.88
  4. Step 4: Simplify right side
    86,251,446.32x = 3,719,443,545,429,538.50
  5. Step 5: Solve for x
    x = 3,719,443,545,429,538.50/86,251,446.32
  6. Step 6: Final answer
    x = 43,123,260.00

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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.