Home / 104,930,266.20-157,395,399.30-85,782,643.80

Finding the Fourth Proportional to 104,930,266.20, 157,395,399.30 and 85,782,643.80

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Solution

The fourth proportional to 104,930,266.20, 157,395,399.30 and 85,782,643.80 is: 128,673,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,930,266.20 : 157,395,399.30 = 85,782,643.80 : x
  2. Step 2: Convert to fraction form
    104,930,266.20/157,395,399.30 = 85,782,643.80/x
  3. Step 3: Cross multiply
    104,930,266.20x = 157,395,399.30 × 85,782,643.80
  4. Step 4: Simplify right side
    104,930,266.20x = 13,501,793,473,910,670
  5. Step 5: Solve for x
    x = 13,501,793,473,910,670/104,930,266.20
  6. Step 6: Final answer
    x = 128,673,965.70

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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.