Home / 83,138,721.60-124,708,082.40-37,789,089.60

Finding the Fourth Proportional to 83,138,721.60, 124,708,082.40 and 37,789,089.60

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Solution

The fourth proportional to 83,138,721.60, 124,708,082.40 and 37,789,089.60 is: 56,683,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,138,721.60 : 124,708,082.40 = 37,789,089.60 : x
  2. Step 2: Convert to fraction form
    83,138,721.60/124,708,082.40 = 37,789,089.60/x
  3. Step 3: Cross multiply
    83,138,721.60x = 124,708,082.40 × 37,789,089.60
  4. Step 4: Simplify right side
    83,138,721.60x = 4,712,604,899,657,783
  5. Step 5: Solve for x
    x = 4,712,604,899,657,783/83,138,721.60
  6. Step 6: Final answer
    x = 56,683,634.40

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1.5x scale

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.