Home / 113,086,285.28-156,065,739.83-85,159,725.04

Finding the Fourth Proportional to 113,086,285.28, 156,065,739.83 and 85,159,725.04

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Solution

The fourth proportional to 113,086,285.28, 156,065,739.83 and 85,159,725.04 is: 117,525,440.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,086,285.28 : 156,065,739.83 = 85,159,725.04 : x
  2. Step 2: Convert to fraction form
    113,086,285.28/156,065,739.83 = 85,159,725.04/x
  3. Step 3: Cross multiply
    113,086,285.28x = 156,065,739.83 × 85,159,725.04
  4. Step 4: Simplify right side
    113,086,285.28x = 13,290,515,491,306,648
  5. Step 5: Solve for x
    x = 13,290,515,491,306,648/113,086,285.28
  6. Step 6: Final answer
    x = 117,525,440.49

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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.