Home / 85,145,422.60-127,718,133.90-58,271,566.60

Finding the Fourth Proportional to 85,145,422.60, 127,718,133.90 and 58,271,566.60

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Solution

The fourth proportional to 85,145,422.60, 127,718,133.90 and 58,271,566.60 is: 87,407,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,145,422.60 : 127,718,133.90 = 58,271,566.60 : x
  2. Step 2: Convert to fraction form
    85,145,422.60/127,718,133.90 = 58,271,566.60/x
  3. Step 3: Cross multiply
    85,145,422.60x = 127,718,133.90 × 58,271,566.60
  4. Step 4: Simplify right side
    85,145,422.60x = 7,442,335,745,581,568
  5. Step 5: Solve for x
    x = 7,442,335,745,581,568/85,145,422.60
  6. Step 6: Final answer
    x = 87,407,349.90

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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.