Home / 149,562,884.30-206,431,217.68-87,703,151.90

Finding the Fourth Proportional to 149,562,884.30, 206,431,217.68 and 87,703,151.90

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Solution

The fourth proportional to 149,562,884.30, 206,431,217.68 and 87,703,151.90 is: 121,050,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,562,884.30 : 206,431,217.68 = 87,703,151.90 : x
  2. Step 2: Convert to fraction form
    149,562,884.30/206,431,217.68 = 87,703,151.90/x
  3. Step 3: Cross multiply
    149,562,884.30x = 206,431,217.68 × 87,703,151.90
  4. Step 4: Simplify right side
    149,562,884.30x = 18,104,668,441,091,008
  5. Step 5: Solve for x
    x = 18,104,668,441,091,008/149,562,884.30
  6. Step 6: Final answer
    x = 121,050,543.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.