Home / 143,835,750.40-215,781,619.20-41,603,123.20

Finding the Fourth Proportional to 143,835,750.40, 215,781,619.20 and 41,603,123.20

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Solution

The fourth proportional to 143,835,750.40, 215,781,619.20 and 41,603,123.20 is: 62,412,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,835,750.40 : 215,781,619.20 = 41,603,123.20 : x
  2. Step 2: Convert to fraction form
    143,835,750.40/215,781,619.20 = 41,603,123.20/x
  3. Step 3: Cross multiply
    143,835,750.40x = 215,781,619.20 × 41,603,123.20
  4. Step 4: Simplify right side
    143,835,750.40x = 8,977,189,287,873,086
  5. Step 5: Solve for x
    x = 8,977,189,287,873,086/143,835,750.40
  6. Step 6: Final answer
    x = 62,412,781.68

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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.