Home / 57,887,387.80-86,812,646.50-19,016,817.12

Finding the Fourth Proportional to 57,887,387.80, 86,812,646.50 and 19,016,817.12

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Solution

The fourth proportional to 57,887,387.80, 86,812,646.50 and 19,016,817.12 is: 28,519,169.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,887,387.80 : 86,812,646.50 = 19,016,817.12 : x
  2. Step 2: Convert to fraction form
    57,887,387.80/86,812,646.50 = 19,016,817.12/x
  3. Step 3: Cross multiply
    57,887,387.80x = 86,812,646.50 × 19,016,817.12
  4. Step 4: Simplify right side
    57,887,387.80x = 1,650,900,222,217,479.25
  5. Step 5: Solve for x
    x = 1,650,900,222,217,479.25/57,887,387.80
  6. Step 6: Final answer
    x = 28,519,169.46

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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.