Home / 85,145,423.10-127,718,134.65-58,271,567.10

Finding the Fourth Proportional to 85,145,423.10, 127,718,134.65 and 58,271,567.10

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Solution

The fourth proportional to 85,145,423.10, 127,718,134.65 and 58,271,567.10 is: 87,407,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,145,423.10 : 127,718,134.65 = 58,271,567.10 : x
  2. Step 2: Convert to fraction form
    85,145,423.10/127,718,134.65 = 58,271,567.10/x
  3. Step 3: Cross multiply
    85,145,423.10x = 127,718,134.65 × 58,271,567.10
  4. Step 4: Simplify right side
    85,145,423.10x = 7,442,335,853,144,311
  5. Step 5: Solve for x
    x = 7,442,335,853,144,311/85,145,423.10
  6. Step 6: Final answer
    x = 87,407,350.65

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Similar ratio
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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.