Home / 143,712,432.80-215,568,649.20-41,479,805.60

Finding the Fourth Proportional to 143,712,432.80, 215,568,649.20 and 41,479,805.60

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Solution

The fourth proportional to 143,712,432.80, 215,568,649.20 and 41,479,805.60 is: 62,219,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,712,432.80 : 215,568,649.20 = 41,479,805.60 : x
  2. Step 2: Convert to fraction form
    143,712,432.80/215,568,649.20 = 41,479,805.60/x
  3. Step 3: Cross multiply
    143,712,432.80x = 215,568,649.20 × 41,479,805.60
  4. Step 4: Simplify right side
    143,712,432.80x = 8,941,745,662,270,595
  5. Step 5: Solve for x
    x = 8,941,745,662,270,595/143,712,432.80
  6. Step 6: Final answer
    x = 62,219,708.40

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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.