Home / 80,761,536,474.30-121,142,304,711.45-80,761,536,474.30

Finding the Fourth Proportional to 80,761,536,474.30, 121,142,304,711.45 and 80,761,536,474.30

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Solution

The fourth proportional to 80,761,536,474.30, 121,142,304,711.45 and 80,761,536,474.30 is: 121,142,304,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,761,536,474.30 : 121,142,304,711.45 = 80,761,536,474.30 : x
  2. Step 2: Convert to fraction form
    80,761,536,474.30/121,142,304,711.45 = 80,761,536,474.30/x
  3. Step 3: Cross multiply
    80,761,536,474.30x = 121,142,304,711.45 × 80,761,536,474.30
  4. Step 4: Simplify right side
    80,761,536,474.30x = 9,783,638,660,534,534,930,432
  5. Step 5: Solve for x
    x = 9,783,638,660,534,534,930,432/80,761,536,474.30
  6. Step 6: Final answer
    x = 121,142,304,711.45

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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.