Home / 167,949,382,972.68-252,103,350,862.10-72,382,564,376.97

Finding the Fourth Proportional to 167,949,382,972.68, 252,103,350,862.10 and 72,382,564,376.97

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Solution

The fourth proportional to 167,949,382,972.68, 252,103,350,862.10 and 72,382,564,376.97 is: 108,651,110,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,949,382,972.68 : 252,103,350,862.10 = 72,382,564,376.97 : x
  2. Step 2: Convert to fraction form
    167,949,382,972.68/252,103,350,862.10 = 72,382,564,376.97/x
  3. Step 3: Cross multiply
    167,949,382,972.68x = 252,103,350,862.10 × 72,382,564,376.97
  4. Step 4: Simplify right side
    167,949,382,972.68x = 18,247,887,023,425,808,498,688
  5. Step 5: Solve for x
    x = 18,247,887,023,425,808,498,688/167,949,382,972.68
  6. Step 6: Final answer
    x = 108,651,110,831.38

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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.