Home / 299,636,180.76-449,454,272.22-84,225,428.76

Finding the Fourth Proportional to 299,636,180.76, 449,454,272.22 and 84,225,428.76

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Solution

The fourth proportional to 299,636,180.76, 449,454,272.22 and 84,225,428.76 is: 126,338,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,636,180.76 : 449,454,272.22 = 84,225,428.76 : x
  2. Step 2: Convert to fraction form
    299,636,180.76/449,454,272.22 = 84,225,428.76/x
  3. Step 3: Cross multiply
    299,636,180.76x = 449,454,272.22 × 84,225,428.76
  4. Step 4: Simplify right side
    299,636,180.76x = 37,855,478,785,743,264
  5. Step 5: Solve for x
    x = 37,855,478,785,743,264/299,636,180.76
  6. Step 6: Final answer
    x = 126,338,143.44

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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.