Home / 168,785,823.24-253,177,312.61-131,928,715.24

Finding the Fourth Proportional to 168,785,823.24, 253,177,312.61 and 131,928,715.24

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Solution

The fourth proportional to 168,785,823.24, 253,177,312.61 and 131,928,715.24 is: 197,891,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,785,823.24 : 253,177,312.61 = 131,928,715.24 : x
  2. Step 2: Convert to fraction form
    168,785,823.24/253,177,312.61 = 131,928,715.24/x
  3. Step 3: Cross multiply
    168,785,823.24x = 253,177,312.61 × 131,928,715.24
  4. Step 4: Simplify right side
    168,785,823.24x = 33,401,357,580,250,032
  5. Step 5: Solve for x
    x = 33,401,357,580,250,032/168,785,823.24
  6. Step 6: Final answer
    x = 197,891,961.18

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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.