Home / 154,002,536.50-212,523,500.37-88,812,440.50

Finding the Fourth Proportional to 154,002,536.50, 212,523,500.37 and 88,812,440.50

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Solution

The fourth proportional to 154,002,536.50, 212,523,500.37 and 88,812,440.50 is: 122,561,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,002,536.50 : 212,523,500.37 = 88,812,440.50 : x
  2. Step 2: Convert to fraction form
    154,002,536.50/212,523,500.37 = 88,812,440.50/x
  3. Step 3: Cross multiply
    154,002,536.50x = 212,523,500.37 × 88,812,440.50
  4. Step 4: Simplify right side
    154,002,536.50x = 18,874,730,731,462,352
  5. Step 5: Solve for x
    x = 18,874,730,731,462,352/154,002,536.50
  6. Step 6: Final answer
    x = 122,561,167.89

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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.