Home / 122,486,139.40-183,729,209.10-88,048,762.60

Finding the Fourth Proportional to 122,486,139.40, 183,729,209.10 and 88,048,762.60

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Solution

The fourth proportional to 122,486,139.40, 183,729,209.10 and 88,048,762.60 is: 132,073,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,486,139.40 : 183,729,209.10 = 88,048,762.60 : x
  2. Step 2: Convert to fraction form
    122,486,139.40/183,729,209.10 = 88,048,762.60/x
  3. Step 3: Cross multiply
    122,486,139.40x = 183,729,209.10 × 88,048,762.60
  4. Step 4: Simplify right side
    122,486,139.40x = 16,177,129,514,731,658
  5. Step 5: Solve for x
    x = 16,177,129,514,731,658/122,486,139.40
  6. Step 6: Final answer
    x = 132,073,143.90

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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.