Home / 168,784,014.10-253,176,021.15-161,981,569.30

Finding the Fourth Proportional to 168,784,014.10, 253,176,021.15 and 161,981,569.30

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Solution

The fourth proportional to 168,784,014.10, 253,176,021.15 and 161,981,569.30 is: 242,972,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,784,014.10 : 253,176,021.15 = 161,981,569.30 : x
  2. Step 2: Convert to fraction form
    168,784,014.10/253,176,021.15 = 161,981,569.30/x
  3. Step 3: Cross multiply
    168,784,014.10x = 253,176,021.15 × 161,981,569.30
  4. Step 4: Simplify right side
    168,784,014.10x = 41,009,849,215,006,992
  5. Step 5: Solve for x
    x = 41,009,849,215,006,992/168,784,014.10
  6. Step 6: Final answer
    x = 242,972,353.95

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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.