Home / 100,578,411.20-150,903,046.20-49,426,230.80

Finding the Fourth Proportional to 100,578,411.20, 150,903,046.20 and 49,426,230.80

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Solution

The fourth proportional to 100,578,411.20, 150,903,046.20 and 49,426,230.80 is: 74,156,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,578,411.20 : 150,903,046.20 = 49,426,230.80 : x
  2. Step 2: Convert to fraction form
    100,578,411.20/150,903,046.20 = 49,426,230.80/x
  3. Step 3: Cross multiply
    100,578,411.20x = 150,903,046.20 × 49,426,230.80
  4. Step 4: Simplify right side
    100,578,411.20x = 7,458,568,789,904,262
  5. Step 5: Solve for x
    x = 7,458,568,789,904,262/100,578,411.20
  6. Step 6: Final answer
    x = 74,156,756.91

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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.