Home / 168,502,831.20-252,754,246.80-71,442,021.60

Finding the Fourth Proportional to 168,502,831.20, 252,754,246.80 and 71,442,021.60

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Solution

The fourth proportional to 168,502,831.20, 252,754,246.80 and 71,442,021.60 is: 107,163,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,502,831.20 : 252,754,246.80 = 71,442,021.60 : x
  2. Step 2: Convert to fraction form
    168,502,831.20/252,754,246.80 = 71,442,021.60/x
  3. Step 3: Cross multiply
    168,502,831.20x = 252,754,246.80 × 71,442,021.60
  4. Step 4: Simplify right side
    168,502,831.20x = 18,057,274,359,377,332
  5. Step 5: Solve for x
    x = 18,057,274,359,377,332/168,502,831.20
  6. Step 6: Final answer
    x = 107,163,032.40

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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.