Home / 84,131,859.60-126,209,599.20-26,618,133.60

Finding the Fourth Proportional to 84,131,859.60, 126,209,599.20 and 26,618,133.60

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Solution

The fourth proportional to 84,131,859.60, 126,209,599.20 and 26,618,133.60 is: 39,930,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,131,859.60 : 126,209,599.20 = 26,618,133.60 : x
  2. Step 2: Convert to fraction form
    84,131,859.60/126,209,599.20 = 26,618,133.60/x
  3. Step 3: Cross multiply
    84,131,859.60x = 126,209,599.20 × 26,618,133.60
  4. Step 4: Simplify right side
    84,131,859.60x = 3,359,463,973,108,053.50
  5. Step 5: Solve for x
    x = 3,359,463,973,108,053.50/84,131,859.60
  6. Step 6: Final answer
    x = 39,930,936.85

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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.