Home / 85,053,254.40-127,492,790.40-41,856,019.20

Finding the Fourth Proportional to 85,053,254.40, 127,492,790.40 and 41,856,019.20

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Solution

The fourth proportional to 85,053,254.40, 127,492,790.40 and 41,856,019.20 is: 62,741,169.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,053,254.40 : 127,492,790.40 = 41,856,019.20 : x
  2. Step 2: Convert to fraction form
    85,053,254.40/127,492,790.40 = 41,856,019.20/x
  3. Step 3: Cross multiply
    85,053,254.40x = 127,492,790.40 × 41,856,019.20
  4. Step 4: Simplify right side
    85,053,254.40x = 5,336,340,682,843,976
  5. Step 5: Solve for x
    x = 5,336,340,682,843,976/85,053,254.40
  6. Step 6: Final answer
    x = 62,741,169.88

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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.