Home / 278,418,087.14-417,624,471.20-169,273,391.90

Finding the Fourth Proportional to 278,418,087.14, 417,624,471.20 and 169,273,391.90

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Solution

The fourth proportional to 278,418,087.14, 417,624,471.20 and 169,273,391.90 is: 253,908,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,418,087.14 : 417,624,471.20 = 169,273,391.90 : x
  2. Step 2: Convert to fraction form
    278,418,087.14/417,624,471.20 = 169,273,391.90/x
  3. Step 3: Cross multiply
    278,418,087.14x = 417,624,471.20 × 169,273,391.90
  4. Step 4: Simplify right side
    278,418,087.14x = 70,692,710,778,802,928
  5. Step 5: Solve for x
    x = 70,692,710,778,802,928/278,418,087.14
  6. Step 6: Final answer
    x = 253,908,470.91

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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.