Home / 154,327,250.82-212,971,839.45-83,762,886.39

Finding the Fourth Proportional to 154,327,250.82, 212,971,839.45 and 83,762,886.39

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Solution

The fourth proportional to 154,327,250.82, 212,971,839.45 and 83,762,886.39 is: 115,592,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,327,250.82 : 212,971,839.45 = 83,762,886.39 : x
  2. Step 2: Convert to fraction form
    154,327,250.82/212,971,839.45 = 83,762,886.39/x
  3. Step 3: Cross multiply
    154,327,250.82x = 212,971,839.45 × 83,762,886.39
  4. Step 4: Simplify right side
    154,327,250.82x = 17,839,135,992,119,670
  5. Step 5: Solve for x
    x = 17,839,135,992,119,670/154,327,250.82
  6. Step 6: Final answer
    x = 115,592,909.85

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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.