Home / 57,887,386.11-86,812,643.97-19,016,815.43

Finding the Fourth Proportional to 57,887,386.11, 86,812,643.97 and 19,016,815.43

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Solution

The fourth proportional to 57,887,386.11, 86,812,643.97 and 19,016,815.43 is: 28,519,166.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,887,386.11 : 86,812,643.97 = 19,016,815.43 : x
  2. Step 2: Convert to fraction form
    57,887,386.11/86,812,643.97 = 19,016,815.43/x
  3. Step 3: Cross multiply
    57,887,386.11x = 86,812,643.97 × 19,016,815.43
  4. Step 4: Simplify right side
    57,887,386.11x = 1,650,900,027,367,792.50
  5. Step 5: Solve for x
    x = 1,650,900,027,367,792.50/57,887,386.11
  6. Step 6: Final answer
    x = 28,519,166.93

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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.