Home / 80,502,414.80-120,879,593.40-46,490,190.80

Finding the Fourth Proportional to 80,502,414.80, 120,879,593.40 and 46,490,190.80

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Solution

The fourth proportional to 80,502,414.80, 120,879,593.40 and 46,490,190.80 is: 69,808,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,502,414.80 : 120,879,593.40 = 46,490,190.80 : x
  2. Step 2: Convert to fraction form
    80,502,414.80/120,879,593.40 = 46,490,190.80/x
  3. Step 3: Cross multiply
    80,502,414.80x = 120,879,593.40 × 46,490,190.80
  4. Step 4: Simplify right side
    80,502,414.80x = 5,619,715,360,992,421
  5. Step 5: Solve for x
    x = 5,619,715,360,992,421/80,502,414.80
  6. Step 6: Final answer
    x = 69,808,034.64

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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.