Home / 108,658,380.30-162,995,443.65-65,434,512.30

Finding the Fourth Proportional to 108,658,380.30, 162,995,443.65 and 65,434,512.30

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Solution

The fourth proportional to 108,658,380.30, 162,995,443.65 and 65,434,512.30 is: 98,156,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,658,380.30 : 162,995,443.65 = 65,434,512.30 : x
  2. Step 2: Convert to fraction form
    108,658,380.30/162,995,443.65 = 65,434,512.30/x
  3. Step 3: Cross multiply
    108,658,380.30x = 162,995,443.65 × 65,434,512.30
  4. Step 4: Simplify right side
    108,658,380.30x = 10,665,527,362,359,882
  5. Step 5: Solve for x
    x = 10,665,527,362,359,882/108,658,380.30
  6. Step 6: Final answer
    x = 98,156,509.72

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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.