Home / 299,636,180.25-449,454,271.47-84,225,428.25

Finding the Fourth Proportional to 299,636,180.25, 449,454,271.47 and 84,225,428.25

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Solution

The fourth proportional to 299,636,180.25, 449,454,271.47 and 84,225,428.25 is: 126,338,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,636,180.25 : 449,454,271.47 = 84,225,428.25 : x
  2. Step 2: Convert to fraction form
    299,636,180.25/449,454,271.47 = 84,225,428.25/x
  3. Step 3: Cross multiply
    299,636,180.25x = 449,454,271.47 × 84,225,428.25
  4. Step 4: Simplify right side
    299,636,180.25x = 37,855,478,493,352,512
  5. Step 5: Solve for x
    x = 37,855,478,493,352,512/299,636,180.25
  6. Step 6: Final answer
    x = 126,338,142.68

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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.