Home / 216,360,724.90-324,571,399.18-70,805,727.22

Finding the Fourth Proportional to 216,360,724.90, 324,571,399.18 and 70,805,727.22

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Solution

The fourth proportional to 216,360,724.90, 324,571,399.18 and 70,805,727.22 is: 106,218,510.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,360,724.90 : 324,571,399.18 = 70,805,727.22 : x
  2. Step 2: Convert to fraction form
    216,360,724.90/324,571,399.18 = 70,805,727.22/x
  3. Step 3: Cross multiply
    216,360,724.90x = 324,571,399.18 × 70,805,727.22
  4. Step 4: Simplify right side
    216,360,724.90x = 22,981,513,953,752,812
  5. Step 5: Solve for x
    x = 22,981,513,953,752,812/216,360,724.90
  6. Step 6: Final answer
    x = 106,218,510.61

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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.