Home / 287,981,842.16-397,268,531.86-174,921,247.76

Finding the Fourth Proportional to 287,981,842.16, 397,268,531.86 and 174,921,247.76

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Solution

The fourth proportional to 287,981,842.16, 397,268,531.86 and 174,921,247.76 is: 241,302,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,981,842.16 : 397,268,531.86 = 174,921,247.76 : x
  2. Step 2: Convert to fraction form
    287,981,842.16/397,268,531.86 = 174,921,247.76/x
  3. Step 3: Cross multiply
    287,981,842.16x = 397,268,531.86 × 174,921,247.76
  4. Step 4: Simplify right side
    287,981,842.16x = 69,490,707,288,734,512
  5. Step 5: Solve for x
    x = 69,490,707,288,734,512/287,981,842.16
  6. Step 6: Final answer
    x = 241,302,391.73

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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.