Home / 168,785,823.48-253,177,312.98-131,928,715.48

Finding the Fourth Proportional to 168,785,823.48, 253,177,312.98 and 131,928,715.48

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Solution

The fourth proportional to 168,785,823.48, 253,177,312.98 and 131,928,715.48 is: 197,891,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,785,823.48 : 253,177,312.98 = 131,928,715.48 : x
  2. Step 2: Convert to fraction form
    168,785,823.48/253,177,312.98 = 131,928,715.48/x
  3. Step 3: Cross multiply
    168,785,823.48x = 253,177,312.98 × 131,928,715.48
  4. Step 4: Simplify right side
    168,785,823.48x = 33,401,357,690,129,332
  5. Step 5: Solve for x
    x = 33,401,357,690,129,332/168,785,823.48
  6. Step 6: Final answer
    x = 197,891,961.55

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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.