Home / 108,002,160.69-149,043,376.74-58,442,534.87

Finding the Fourth Proportional to 108,002,160.69, 149,043,376.74 and 58,442,534.87

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Solution

The fourth proportional to 108,002,160.69, 149,043,376.74 and 58,442,534.87 is: 80,650,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,002,160.69 : 149,043,376.74 = 58,442,534.87 : x
  2. Step 2: Convert to fraction form
    108,002,160.69/149,043,376.74 = 58,442,534.87/x
  3. Step 3: Cross multiply
    108,002,160.69x = 149,043,376.74 × 58,442,534.87
  4. Step 4: Simplify right side
    108,002,160.69x = 8,710,472,741,524,781
  5. Step 5: Solve for x
    x = 8,710,472,741,524,781/108,002,160.69
  6. Step 6: Final answer
    x = 80,650,911.85

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1.5x scale

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.