Home / 82,911,565.66-124,383,289.29-31,789,597.42

Finding the Fourth Proportional to 82,911,565.66, 124,383,289.29 and 31,789,597.42

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Solution

The fourth proportional to 82,911,565.66, 124,383,289.29 and 31,789,597.42 is: 47,690,508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,911,565.66 : 124,383,289.29 = 31,789,597.42 : x
  2. Step 2: Convert to fraction form
    82,911,565.66/124,383,289.29 = 31,789,597.42/x
  3. Step 3: Cross multiply
    82,911,565.66x = 124,383,289.29 × 31,789,597.42
  4. Step 4: Simplify right side
    82,911,565.66x = 3,954,094,692,304,498
  5. Step 5: Solve for x
    x = 3,954,094,692,304,498/82,911,565.66
  6. Step 6: Final answer
    x = 47,690,508.08

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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.