Home / 154,002,739.50-212,523,780.51-88,812,643.50

Finding the Fourth Proportional to 154,002,739.50, 212,523,780.51 and 88,812,643.50

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Solution

The fourth proportional to 154,002,739.50, 212,523,780.51 and 88,812,643.50 is: 122,561,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,002,739.50 : 212,523,780.51 = 88,812,643.50 : x
  2. Step 2: Convert to fraction form
    154,002,739.50/212,523,780.51 = 88,812,643.50/x
  3. Step 3: Cross multiply
    154,002,739.50x = 212,523,780.51 × 88,812,643.50
  4. Step 4: Simplify right side
    154,002,739.50x = 18,874,798,753,706,876
  5. Step 5: Solve for x
    x = 18,874,798,753,706,876/154,002,739.50
  6. Step 6: Final answer
    x = 122,561,448.03

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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.