Home / 154,002,539.50-212,523,504.52-88,812,443.50

Finding the Fourth Proportional to 154,002,539.50, 212,523,504.52 and 88,812,443.50

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Solution

The fourth proportional to 154,002,539.50, 212,523,504.52 and 88,812,443.50 is: 122,561,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,002,539.50 : 212,523,504.52 = 88,812,443.50 : x
  2. Step 2: Convert to fraction form
    154,002,539.50/212,523,504.52 = 88,812,443.50/x
  3. Step 3: Cross multiply
    154,002,539.50x = 212,523,504.52 × 88,812,443.50
  4. Step 4: Simplify right side
    154,002,539.50x = 18,874,731,737,604,496
  5. Step 5: Solve for x
    x = 18,874,731,737,604,496/154,002,539.50
  6. Step 6: Final answer
    x = 122,561,172.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.