Home / 302,819,876.46-454,233,431.45-84,456,932.81

Finding the Fourth Proportional to 302,819,876.46, 454,233,431.45 and 84,456,932.81

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Solution

The fourth proportional to 302,819,876.46, 454,233,431.45 and 84,456,932.81 is: 126,686,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,819,876.46 : 454,233,431.45 = 84,456,932.81 : x
  2. Step 2: Convert to fraction form
    302,819,876.46/454,233,431.45 = 84,456,932.81/x
  3. Step 3: Cross multiply
    302,819,876.46x = 454,233,431.45 × 84,456,932.81
  4. Step 4: Simplify right side
    302,819,876.46x = 38,363,162,397,651,656
  5. Step 5: Solve for x
    x = 38,363,162,397,651,656/302,819,876.46
  6. Step 6: Final answer
    x = 126,686,407.93

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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.