Home / 313,251,828.55-470,098,546.84-147,262,909.80

Finding the Fourth Proportional to 313,251,828.55, 470,098,546.84 and 147,262,909.80

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Solution

The fourth proportional to 313,251,828.55, 470,098,546.84 and 147,262,909.80 is: 220,998,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,251,828.55 : 470,098,546.84 = 147,262,909.80 : x
  2. Step 2: Convert to fraction form
    313,251,828.55/470,098,546.84 = 147,262,909.80/x
  3. Step 3: Cross multiply
    313,251,828.55x = 470,098,546.84 × 147,262,909.80
  4. Step 4: Simplify right side
    313,251,828.55x = 69,228,079,902,356,944
  5. Step 5: Solve for x
    x = 69,228,079,902,356,944/313,251,828.55
  6. Step 6: Final answer
    x = 220,998,166.95

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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.