Home / 272,659,516.20-409,246,137.45-143,359,920.90

Finding the Fourth Proportional to 272,659,516.20, 409,246,137.45 and 143,359,920.90

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Solution

The fourth proportional to 272,659,516.20, 409,246,137.45 and 143,359,920.90 is: 215,174,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,659,516.20 : 409,246,137.45 = 143,359,920.90 : x
  2. Step 2: Convert to fraction form
    272,659,516.20/409,246,137.45 = 143,359,920.90/x
  3. Step 3: Cross multiply
    272,659,516.20x = 409,246,137.45 × 143,359,920.90
  4. Step 4: Simplify right side
    272,659,516.20x = 58,669,493,893,462,528
  5. Step 5: Solve for x
    x = 58,669,493,893,462,528/272,659,516.20
  6. Step 6: Final answer
    x = 215,174,935.80

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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.