Home / 154,002,539-212,523,503.83-88,812,443

Finding the Fourth Proportional to 154,002,539, 212,523,503.83 and 88,812,443

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Solution

The fourth proportional to 154,002,539, 212,523,503.83 and 88,812,443 is: 122,561,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,002,539 : 212,523,503.83 = 88,812,443 : x
  2. Step 2: Convert to fraction form
    154,002,539/212,523,503.83 = 88,812,443/x
  3. Step 3: Cross multiply
    154,002,539x = 212,523,503.83 × 88,812,443
  4. Step 4: Simplify right side
    154,002,539x = 18,874,731,570,062,156
  5. Step 5: Solve for x
    x = 18,874,731,570,062,156/154,002,539
  6. Step 6: Final answer
    x = 122,561,171.35

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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.