Home / 168,838,954.80-253,258,432.20-159,433,105.20

Finding the Fourth Proportional to 168,838,954.80, 253,258,432.20 and 159,433,105.20

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Solution

The fourth proportional to 168,838,954.80, 253,258,432.20 and 159,433,105.20 is: 239,149,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,838,954.80 : 253,258,432.20 = 159,433,105.20 : x
  2. Step 2: Convert to fraction form
    168,838,954.80/253,258,432.20 = 159,433,105.20/x
  3. Step 3: Cross multiply
    168,838,954.80x = 253,258,432.20 × 159,433,105.20
  4. Step 4: Simplify right side
    168,838,954.80x = 40,377,778,263,729,664
  5. Step 5: Solve for x
    x = 40,377,778,263,729,664/168,838,954.80
  6. Step 6: Final answer
    x = 239,149,657.80

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1.5x scale

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.