Home / 206,960,986.24-285,534,032.16-132,662,513.76

Finding the Fourth Proportional to 206,960,986.24, 285,534,032.16 and 132,662,513.76

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Solution

The fourth proportional to 206,960,986.24, 285,534,032.16 and 132,662,513.76 is: 183,028,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,960,986.24 : 285,534,032.16 = 132,662,513.76 : x
  2. Step 2: Convert to fraction form
    206,960,986.24/285,534,032.16 = 132,662,513.76/x
  3. Step 3: Cross multiply
    206,960,986.24x = 285,534,032.16 × 132,662,513.76
  4. Step 4: Simplify right side
    206,960,986.24x = 37,879,662,470,374,288
  5. Step 5: Solve for x
    x = 37,879,662,470,374,288/206,960,986.24
  6. Step 6: Final answer
    x = 183,028,034.21

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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.