Home / 126,187,622.40-189,365,414.40-71,600,102.40

Finding the Fourth Proportional to 126,187,622.40, 189,365,414.40 and 71,600,102.40

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Solution

The fourth proportional to 126,187,622.40, 189,365,414.40 and 71,600,102.40 is: 107,447,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,187,622.40 : 189,365,414.40 = 71,600,102.40 : x
  2. Step 2: Convert to fraction form
    126,187,622.40/189,365,414.40 = 71,600,102.40/x
  3. Step 3: Cross multiply
    126,187,622.40x = 189,365,414.40 × 71,600,102.40
  4. Step 4: Simplify right side
    126,187,622.40x = 13,558,583,062,058,436
  5. Step 5: Solve for x
    x = 13,558,583,062,058,436/126,187,622.40
  6. Step 6: Final answer
    x = 107,447,805.13

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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.