Home / 84,424,214.76-126,658,155.28-49,438,874.76

Finding the Fourth Proportional to 84,424,214.76, 126,658,155.28 and 49,438,874.76

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Solution

The fourth proportional to 84,424,214.76, 126,658,155.28 and 49,438,874.76 is: 74,171,097.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,424,214.76 : 126,658,155.28 = 49,438,874.76 : x
  2. Step 2: Convert to fraction form
    84,424,214.76/126,658,155.28 = 49,438,874.76/x
  3. Step 3: Cross multiply
    84,424,214.76x = 126,658,155.28 × 49,438,874.76
  4. Step 4: Simplify right side
    84,424,214.76x = 6,261,836,676,220,553
  5. Step 5: Solve for x
    x = 6,261,836,676,220,553/84,424,214.76
  6. Step 6: Final answer
    x = 74,171,097.64

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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.