Home / 83,984,193.12-125,976,291.12-20,158,785.12

Finding the Fourth Proportional to 83,984,193.12, 125,976,291.12 and 20,158,785.12

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Solution

The fourth proportional to 83,984,193.12, 125,976,291.12 and 20,158,785.12 is: 30,238,178.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,984,193.12 : 125,976,291.12 = 20,158,785.12 : x
  2. Step 2: Convert to fraction form
    83,984,193.12/125,976,291.12 = 20,158,785.12/x
  3. Step 3: Cross multiply
    83,984,193.12x = 125,976,291.12 × 20,158,785.12
  4. Step 4: Simplify right side
    83,984,193.12x = 2,539,528,982,902,644.50
  5. Step 5: Solve for x
    x = 2,539,528,982,902,644.50/83,984,193.12
  6. Step 6: Final answer
    x = 30,238,178.03

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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.