Home / 126,086,682.30-189,130,023.45-83,004,531.90

Finding the Fourth Proportional to 126,086,682.30, 189,130,023.45 and 83,004,531.90

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Solution

The fourth proportional to 126,086,682.30, 189,130,023.45 and 83,004,531.90 is: 124,506,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,086,682.30 : 189,130,023.45 = 83,004,531.90 : x
  2. Step 2: Convert to fraction form
    126,086,682.30/189,130,023.45 = 83,004,531.90/x
  3. Step 3: Cross multiply
    126,086,682.30x = 189,130,023.45 × 83,004,531.90
  4. Step 4: Simplify right side
    126,086,682.30x = 15,698,649,064,703,274
  5. Step 5: Solve for x
    x = 15,698,649,064,703,274/126,086,682.30
  6. Step 6: Final answer
    x = 124,506,797.85

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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.