Home / 168,785,108.20-253,177,662.30-153,164,679.40

Finding the Fourth Proportional to 168,785,108.20, 253,177,662.30 and 153,164,679.40

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Solution

The fourth proportional to 168,785,108.20, 253,177,662.30 and 153,164,679.40 is: 229,747,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,785,108.20 : 253,177,662.30 = 153,164,679.40 : x
  2. Step 2: Convert to fraction form
    168,785,108.20/253,177,662.30 = 153,164,679.40/x
  3. Step 3: Cross multiply
    168,785,108.20x = 253,177,662.30 × 153,164,679.40
  4. Step 4: Simplify right side
    168,785,108.20x = 38,777,875,477,420,968
  5. Step 5: Solve for x
    x = 38,777,875,477,420,968/168,785,108.20
  6. Step 6: Final answer
    x = 229,747,019.10

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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.