Home / 126,134,934.10-189,202,401.15-44,346,164.20

Finding the Fourth Proportional to 126,134,934.10, 189,202,401.15 and 44,346,164.20

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Solution

The fourth proportional to 126,134,934.10, 189,202,401.15 and 44,346,164.20 is: 66,519,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,134,934.10 : 189,202,401.15 = 44,346,164.20 : x
  2. Step 2: Convert to fraction form
    126,134,934.10/189,202,401.15 = 44,346,164.20/x
  3. Step 3: Cross multiply
    126,134,934.10x = 189,202,401.15 × 44,346,164.20
  4. Step 4: Simplify right side
    126,134,934.10x = 8,390,400,748,432,170
  5. Step 5: Solve for x
    x = 8,390,400,748,432,170/126,134,934.10
  6. Step 6: Final answer
    x = 66,519,246.30

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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.