Home / 132,868,286.60-199,302,429.90-127,128,723.80

Finding the Fourth Proportional to 132,868,286.60, 199,302,429.90 and 127,128,723.80

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Solution

The fourth proportional to 132,868,286.60, 199,302,429.90 and 127,128,723.80 is: 190,693,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,868,286.60 : 199,302,429.90 = 127,128,723.80 : x
  2. Step 2: Convert to fraction form
    132,868,286.60/199,302,429.90 = 127,128,723.80/x
  3. Step 3: Cross multiply
    132,868,286.60x = 199,302,429.90 × 127,128,723.80
  4. Step 4: Simplify right side
    132,868,286.60x = 25,337,063,563,425,960
  5. Step 5: Solve for x
    x = 25,337,063,563,425,960/132,868,286.60
  6. Step 6: Final answer
    x = 190,693,085.70

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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.