Home / 272,079,854.55-407,858,508.23-90,233,428.95

Finding the Fourth Proportional to 272,079,854.55, 407,858,508.23 and 90,233,428.95

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Solution

The fourth proportional to 272,079,854.55, 407,858,508.23 and 90,233,428.95 is: 135,263,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,079,854.55 : 407,858,508.23 = 90,233,428.95 : x
  2. Step 2: Convert to fraction form
    272,079,854.55/407,858,508.23 = 90,233,428.95/x
  3. Step 3: Cross multiply
    272,079,854.55x = 407,858,508.23 × 90,233,428.95
  4. Step 4: Simplify right side
    272,079,854.55x = 36,802,471,723,573,528
  5. Step 5: Solve for x
    x = 36,802,471,723,573,528/272,079,854.55
  6. Step 6: Final answer
    x = 135,263,493.82

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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.