Home / 143,336,355.84-214,924,769.28-85,067,712

Finding the Fourth Proportional to 143,336,355.84, 214,924,769.28 and 85,067,712

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Solution

The fourth proportional to 143,336,355.84, 214,924,769.28 and 85,067,712 is: 127,554,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,336,355.84 : 214,924,769.28 = 85,067,712 : x
  2. Step 2: Convert to fraction form
    143,336,355.84/214,924,769.28 = 85,067,712/x
  3. Step 3: Cross multiply
    143,336,355.84x = 214,924,769.28 × 85,067,712
  4. Step 4: Simplify right side
    143,336,355.84x = 18,283,158,374,777,488
  5. Step 5: Solve for x
    x = 18,283,158,374,777,488/143,336,355.84
  6. Step 6: Final answer
    x = 127,554,229.13

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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.