Home / 143,336,358.84-214,924,773.78-85,067,715

Finding the Fourth Proportional to 143,336,358.84, 214,924,773.78 and 85,067,715

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Solution

The fourth proportional to 143,336,358.84, 214,924,773.78 and 85,067,715 is: 127,554,233.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,336,358.84 : 214,924,773.78 = 85,067,715 : x
  2. Step 2: Convert to fraction form
    143,336,358.84/214,924,773.78 = 85,067,715/x
  3. Step 3: Cross multiply
    143,336,358.84x = 214,924,773.78 × 85,067,715
  4. Step 4: Simplify right side
    143,336,358.84x = 18,283,159,402,356,512
  5. Step 5: Solve for x
    x = 18,283,159,402,356,512/143,336,358.84
  6. Step 6: Final answer
    x = 127,554,233.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.