Home / 168,838,852.80-253,258,279.20-159,433,003.20

Finding the Fourth Proportional to 168,838,852.80, 253,258,279.20 and 159,433,003.20

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Solution

The fourth proportional to 168,838,852.80, 253,258,279.20 and 159,433,003.20 is: 239,149,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,838,852.80 : 253,258,279.20 = 159,433,003.20 : x
  2. Step 2: Convert to fraction form
    168,838,852.80/253,258,279.20 = 159,433,003.20/x
  3. Step 3: Cross multiply
    168,838,852.80x = 253,258,279.20 × 159,433,003.20
  4. Step 4: Simplify right side
    168,838,852.80x = 40,377,728,038,120,088
  5. Step 5: Solve for x
    x = 40,377,728,038,120,088/168,838,852.80
  6. Step 6: Final answer
    x = 239,149,504.80

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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.