Home / 132,868,147.80-199,302,221.70-127,766,314.20

Finding the Fourth Proportional to 132,868,147.80, 199,302,221.70 and 127,766,314.20

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Solution

The fourth proportional to 132,868,147.80, 199,302,221.70 and 127,766,314.20 is: 191,649,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,868,147.80 : 199,302,221.70 = 127,766,314.20 : x
  2. Step 2: Convert to fraction form
    132,868,147.80/199,302,221.70 = 127,766,314.20/x
  3. Step 3: Cross multiply
    132,868,147.80x = 199,302,221.70 × 127,766,314.20
  4. Step 4: Simplify right side
    132,868,147.80x = 25,464,110,278,480,256
  5. Step 5: Solve for x
    x = 25,464,110,278,480,256/132,868,147.80
  6. Step 6: Final answer
    x = 191,649,471.30

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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.