Home / 129,485,401.20-194,228,101.80-88,670,732.40

Finding the Fourth Proportional to 129,485,401.20, 194,228,101.80 and 88,670,732.40

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Solution

The fourth proportional to 129,485,401.20, 194,228,101.80 and 88,670,732.40 is: 133,006,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,485,401.20 : 194,228,101.80 = 88,670,732.40 : x
  2. Step 2: Convert to fraction form
    129,485,401.20/194,228,101.80 = 88,670,732.40/x
  3. Step 3: Cross multiply
    129,485,401.20x = 194,228,101.80 × 88,670,732.40
  4. Step 4: Simplify right side
    129,485,401.20x = 17,222,348,039,267,760
  5. Step 5: Solve for x
    x = 17,222,348,039,267,760/129,485,401.20
  6. Step 6: Final answer
    x = 133,006,098.60

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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.