Home / 81,350,281.05-121,976,249.04-32,771,397.48

Finding the Fourth Proportional to 81,350,281.05, 121,976,249.04 and 32,771,397.48

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Solution

The fourth proportional to 81,350,281.05, 121,976,249.04 and 32,771,397.48 is: 49,137,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,350,281.05 : 121,976,249.04 = 32,771,397.48 : x
  2. Step 2: Convert to fraction form
    81,350,281.05/121,976,249.04 = 32,771,397.48/x
  3. Step 3: Cross multiply
    81,350,281.05x = 121,976,249.04 × 32,771,397.48
  4. Step 4: Simplify right side
    81,350,281.05x = 3,997,332,140,409,308.50
  5. Step 5: Solve for x
    x = 3,997,332,140,409,308.50/81,350,281.05
  6. Step 6: Final answer
    x = 49,137,287.40

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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.