Home / 156,031,335.97-215,322,706.15-89,951,519.16

Finding the Fourth Proportional to 156,031,335.97, 215,322,706.15 and 89,951,519.16

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Solution

The fourth proportional to 156,031,335.97, 215,322,706.15 and 89,951,519.16 is: 124,132,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,031,335.97 : 215,322,706.15 = 89,951,519.16 : x
  2. Step 2: Convert to fraction form
    156,031,335.97/215,322,706.15 = 89,951,519.16/x
  3. Step 3: Cross multiply
    156,031,335.97x = 215,322,706.15 × 89,951,519.16
  4. Step 4: Simplify right side
    156,031,335.97x = 19,368,604,527,609,896
  5. Step 5: Solve for x
    x = 19,368,604,527,609,896/156,031,335.97
  6. Step 6: Final answer
    x = 124,132,786.58

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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.