Home / 98,227,843.20-147,058,329.60-86,890,435.20

Finding the Fourth Proportional to 98,227,843.20, 147,058,329.60 and 86,890,435.20

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Solution

The fourth proportional to 98,227,843.20, 147,058,329.60 and 86,890,435.20 is: 130,084,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,227,843.20 : 147,058,329.60 = 86,890,435.20 : x
  2. Step 2: Convert to fraction form
    98,227,843.20/147,058,329.60 = 86,890,435.20/x
  3. Step 3: Cross multiply
    98,227,843.20x = 147,058,329.60 × 86,890,435.20
  4. Step 4: Simplify right side
    98,227,843.20x = 12,777,962,258,729,042
  5. Step 5: Solve for x
    x = 12,777,962,258,729,042/98,227,843.20
  6. Step 6: Final answer
    x = 130,084,931.55

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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.