Home / 195,515,599.20-293,441,360.40-86,508,520.80

Finding the Fourth Proportional to 195,515,599.20, 293,441,360.40 and 86,508,520.80

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Solution

The fourth proportional to 195,515,599.20, 293,441,360.40 and 86,508,520.80 is: 129,837,098.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,515,599.20 : 293,441,360.40 = 86,508,520.80 : x
  2. Step 2: Convert to fraction form
    195,515,599.20/293,441,360.40 = 86,508,520.80/x
  3. Step 3: Cross multiply
    195,515,599.20x = 293,441,360.40 × 86,508,520.80
  4. Step 4: Simplify right side
    195,515,599.20x = 25,385,178,029,743,692
  5. Step 5: Solve for x
    x = 25,385,178,029,743,692/195,515,599.20
  6. Step 6: Final answer
    x = 129,837,098.08

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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.