Home / 76,982,072.76-106,235,255.16-42,175,996.92

Finding the Fourth Proportional to 76,982,072.76, 106,235,255.16 and 42,175,996.92

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Solution

The fourth proportional to 76,982,072.76, 106,235,255.16 and 42,175,996.92 is: 58,202,872.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,982,072.76 : 106,235,255.16 = 42,175,996.92 : x
  2. Step 2: Convert to fraction form
    76,982,072.76/106,235,255.16 = 42,175,996.92/x
  3. Step 3: Cross multiply
    76,982,072.76x = 106,235,255.16 × 42,175,996.92
  4. Step 4: Simplify right side
    76,982,072.76x = 4,480,577,794,423,574
  5. Step 5: Solve for x
    x = 4,480,577,794,423,574/76,982,072.76
  6. Step 6: Final answer
    x = 58,202,872.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.