Home / 126,184,711.20-189,277,066.80-83,102,560.80

Finding the Fourth Proportional to 126,184,711.20, 189,277,066.80 and 83,102,560.80

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Solution

The fourth proportional to 126,184,711.20, 189,277,066.80 and 83,102,560.80 is: 124,653,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,184,711.20 : 189,277,066.80 = 83,102,560.80 : x
  2. Step 2: Convert to fraction form
    126,184,711.20/189,277,066.80 = 83,102,560.80/x
  3. Step 3: Cross multiply
    126,184,711.20x = 189,277,066.80 × 83,102,560.80
  4. Step 4: Simplify right side
    126,184,711.20x = 15,729,408,951,792,662
  5. Step 5: Solve for x
    x = 15,729,408,951,792,662/126,184,711.20
  6. Step 6: Final answer
    x = 124,653,841.20

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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.