Home / 86,548,155.48-129,616,144.92-50,079,689.64

Finding the Fourth Proportional to 86,548,155.48, 129,616,144.92 and 50,079,689.64

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Solution

The fourth proportional to 86,548,155.48, 129,616,144.92 and 50,079,689.64 is: 75,000,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,548,155.48 : 129,616,144.92 = 50,079,689.64 : x
  2. Step 2: Convert to fraction form
    86,548,155.48/129,616,144.92 = 50,079,689.64/x
  3. Step 3: Cross multiply
    86,548,155.48x = 129,616,144.92 × 50,079,689.64
  4. Step 4: Simplify right side
    86,548,155.48x = 6,491,136,309,926,863
  5. Step 5: Solve for x
    x = 6,491,136,309,926,863/86,548,155.48
  6. Step 6: Final answer
    x = 75,000,284.80

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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.