Home / 140,010,391.20-209,952,601.20-53,720,119.20

Finding the Fourth Proportional to 140,010,391.20, 209,952,601.20 and 53,720,119.20

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Solution

The fourth proportional to 140,010,391.20, 209,952,601.20 and 53,720,119.20 is: 80,556,012.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,010,391.20 : 209,952,601.20 = 53,720,119.20 : x
  2. Step 2: Convert to fraction form
    140,010,391.20/209,952,601.20 = 53,720,119.20/x
  3. Step 3: Cross multiply
    140,010,391.20x = 209,952,601.20 × 53,720,119.20
  4. Step 4: Simplify right side
    140,010,391.20x = 11,278,678,762,814,064
  5. Step 5: Solve for x
    x = 11,278,678,762,814,064/140,010,391.20
  6. Step 6: Final answer
    x = 80,556,012.07

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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.