Home / 126,359,645.94-189,559,835.88-38,921,122.27

Finding the Fourth Proportional to 126,359,645.94, 189,559,835.88 and 38,921,122.27

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Solution

The fourth proportional to 126,359,645.94, 189,559,835.88 and 38,921,122.27 is: 58,387,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,359,645.94 : 189,559,835.88 = 38,921,122.27 : x
  2. Step 2: Convert to fraction form
    126,359,645.94/189,559,835.88 = 38,921,122.27/x
  3. Step 3: Cross multiply
    126,359,645.94x = 189,559,835.88 × 38,921,122.27
  4. Step 4: Simplify right side
    126,359,645.94x = 7,377,881,549,766,613
  5. Step 5: Solve for x
    x = 7,377,881,549,766,613/126,359,645.94
  6. Step 6: Final answer
    x = 58,387,956.81

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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.