Home / 104,930,257.20-157,395,385.80-85,782,634.80

Finding the Fourth Proportional to 104,930,257.20, 157,395,385.80 and 85,782,634.80

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Solution

The fourth proportional to 104,930,257.20, 157,395,385.80 and 85,782,634.80 is: 128,673,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,930,257.20 : 157,395,385.80 = 85,782,634.80 : x
  2. Step 2: Convert to fraction form
    104,930,257.20/157,395,385.80 = 85,782,634.80/x
  3. Step 3: Cross multiply
    104,930,257.20x = 157,395,385.80 × 85,782,634.80
  4. Step 4: Simplify right side
    104,930,257.20x = 13,501,790,899,286,506
  5. Step 5: Solve for x
    x = 13,501,790,899,286,506/104,930,257.20
  6. Step 6: Final answer
    x = 128,673,952.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.