Home / 126,858,733.20-190,288,099.80-88,594,981.20

Finding the Fourth Proportional to 126,858,733.20, 190,288,099.80 and 88,594,981.20

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Solution

The fourth proportional to 126,858,733.20, 190,288,099.80 and 88,594,981.20 is: 132,892,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,858,733.20 : 190,288,099.80 = 88,594,981.20 : x
  2. Step 2: Convert to fraction form
    126,858,733.20/190,288,099.80 = 88,594,981.20/x
  3. Step 3: Cross multiply
    126,858,733.20x = 190,288,099.80 × 88,594,981.20
  4. Step 4: Simplify right side
    126,858,733.20x = 16,858,570,624,364,726
  5. Step 5: Solve for x
    x = 16,858,570,624,364,726/126,858,733.20
  6. Step 6: Final answer
    x = 132,892,471.80

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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.