Home / 121,279,292.80-181,918,939.20-44,586,451.60

Finding the Fourth Proportional to 121,279,292.80, 181,918,939.20 and 44,586,451.60

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Solution

The fourth proportional to 121,279,292.80, 181,918,939.20 and 44,586,451.60 is: 66,879,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,279,292.80 : 181,918,939.20 = 44,586,451.60 : x
  2. Step 2: Convert to fraction form
    121,279,292.80/181,918,939.20 = 44,586,451.60/x
  3. Step 3: Cross multiply
    121,279,292.80x = 181,918,939.20 × 44,586,451.60
  4. Step 4: Simplify right side
    121,279,292.80x = 8,111,119,977,764,142
  5. Step 5: Solve for x
    x = 8,111,119,977,764,142/121,279,292.80
  6. Step 6: Final answer
    x = 66,879,677.40

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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.