Home / 86,246,656.20-129,369,984.30-57,399,251.40

Finding the Fourth Proportional to 86,246,656.20, 129,369,984.30 and 57,399,251.40

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Solution

The fourth proportional to 86,246,656.20, 129,369,984.30 and 57,399,251.40 is: 86,098,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,246,656.20 : 129,369,984.30 = 57,399,251.40 : x
  2. Step 2: Convert to fraction form
    86,246,656.20/129,369,984.30 = 57,399,251.40/x
  3. Step 3: Cross multiply
    86,246,656.20x = 129,369,984.30 × 57,399,251.40
  4. Step 4: Simplify right side
    86,246,656.20x = 7,425,740,252,449,753
  5. Step 5: Solve for x
    x = 7,425,740,252,449,753/86,246,656.20
  6. Step 6: Final answer
    x = 86,098,877.10

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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.