Home / 122,486,137.40-183,729,206.10-88,048,760.60

Finding the Fourth Proportional to 122,486,137.40, 183,729,206.10 and 88,048,760.60

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Solution

The fourth proportional to 122,486,137.40, 183,729,206.10 and 88,048,760.60 is: 132,073,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,486,137.40 : 183,729,206.10 = 88,048,760.60 : x
  2. Step 2: Convert to fraction form
    122,486,137.40/183,729,206.10 = 88,048,760.60/x
  3. Step 3: Cross multiply
    122,486,137.40x = 183,729,206.10 × 88,048,760.60
  4. Step 4: Simplify right side
    122,486,137.40x = 16,177,128,883,126,958
  5. Step 5: Solve for x
    x = 16,177,128,883,126,958/122,486,137.40
  6. Step 6: Final answer
    x = 132,073,140.90

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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.