Home / 143,712,247.40-215,568,371.10-41,479,620.20

Finding the Fourth Proportional to 143,712,247.40, 215,568,371.10 and 41,479,620.20

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Solution

The fourth proportional to 143,712,247.40, 215,568,371.10 and 41,479,620.20 is: 62,219,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,712,247.40 : 215,568,371.10 = 41,479,620.20 : x
  2. Step 2: Convert to fraction form
    143,712,247.40/215,568,371.10 = 41,479,620.20/x
  3. Step 3: Cross multiply
    143,712,247.40x = 215,568,371.10 × 41,479,620.20
  4. Step 4: Simplify right side
    143,712,247.40x = 8,941,694,160,360,657
  5. Step 5: Solve for x
    x = 8,941,694,160,360,657/143,712,247.40
  6. Step 6: Final answer
    x = 62,219,430.30

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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.