Home / 202,292,839.92-279,164,970.18-109,473,352.32

Finding the Fourth Proportional to 202,292,839.92, 279,164,970.18 and 109,473,352.32

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Solution

The fourth proportional to 202,292,839.92, 279,164,970.18 and 109,473,352.32 is: 151,073,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,292,839.92 : 279,164,970.18 = 109,473,352.32 : x
  2. Step 2: Convert to fraction form
    202,292,839.92/279,164,970.18 = 109,473,352.32/x
  3. Step 3: Cross multiply
    202,292,839.92x = 279,164,970.18 × 109,473,352.32
  4. Step 4: Simplify right side
    202,292,839.92x = 30,561,125,135,917,432
  5. Step 5: Solve for x
    x = 30,561,125,135,917,432/202,292,839.92
  6. Step 6: Final answer
    x = 151,073,686.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.