Home / 251,417,305.92-377,015,996.52-126,843,270.84

Finding the Fourth Proportional to 251,417,305.92, 377,015,996.52 and 126,843,270.84

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Solution

The fourth proportional to 251,417,305.92, 377,015,996.52 and 126,843,270.84 is: 190,209,428.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,417,305.92 : 377,015,996.52 = 126,843,270.84 : x
  2. Step 2: Convert to fraction form
    251,417,305.92/377,015,996.52 = 126,843,270.84/x
  3. Step 3: Cross multiply
    251,417,305.92x = 377,015,996.52 × 126,843,270.84
  4. Step 4: Simplify right side
    251,417,305.92x = 47,821,942,157,598,856
  5. Step 5: Solve for x
    x = 47,821,942,157,598,856/251,417,305.92
  6. Step 6: Final answer
    x = 190,209,428.83

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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.