Home / 81,812,896.16-122,719,483.65-65,521,793.73

Finding the Fourth Proportional to 81,812,896.16, 122,719,483.65 and 65,521,793.73

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Solution

The fourth proportional to 81,812,896.16, 122,719,483.65 and 65,521,793.73 is: 98,282,802.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,812,896.16 : 122,719,483.65 = 65,521,793.73 : x
  2. Step 2: Convert to fraction form
    81,812,896.16/122,719,483.65 = 65,521,793.73/x
  3. Step 3: Cross multiply
    81,812,896.16x = 122,719,483.65 × 65,521,793.73
  4. Step 4: Simplify right side
    81,812,896.16x = 8,040,800,695,073,313
  5. Step 5: Solve for x
    x = 8,040,800,695,073,313/81,812,896.16
  6. Step 6: Final answer
    x = 98,282,802.26

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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.