Home / 126,381,701.60-189,572,552.40-107,297,064.80

Finding the Fourth Proportional to 126,381,701.60, 189,572,552.40 and 107,297,064.80

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Solution

The fourth proportional to 126,381,701.60, 189,572,552.40 and 107,297,064.80 is: 160,945,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,381,701.60 : 189,572,552.40 = 107,297,064.80 : x
  2. Step 2: Convert to fraction form
    126,381,701.60/189,572,552.40 = 107,297,064.80/x
  3. Step 3: Cross multiply
    126,381,701.60x = 189,572,552.40 × 107,297,064.80
  4. Step 4: Simplify right side
    126,381,701.60x = 20,340,578,439,164,196
  5. Step 5: Solve for x
    x = 20,340,578,439,164,196/126,381,701.60
  6. Step 6: Final answer
    x = 160,945,597.20

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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.