Home / 318,250,507.98-477,375,894.30-143,169,040.38

Finding the Fourth Proportional to 318,250,507.98, 477,375,894.30 and 143,169,040.38

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Solution

The fourth proportional to 318,250,507.98, 477,375,894.30 and 143,169,040.38 is: 214,753,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,250,507.98 : 477,375,894.30 = 143,169,040.38 : x
  2. Step 2: Convert to fraction form
    318,250,507.98/477,375,894.30 = 143,169,040.38/x
  3. Step 3: Cross multiply
    318,250,507.98x = 477,375,894.30 × 143,169,040.38
  4. Step 4: Simplify right side
    318,250,507.98x = 68,345,448,687,475,312
  5. Step 5: Solve for x
    x = 68,345,448,687,475,312/318,250,507.98
  6. Step 6: Final answer
    x = 214,753,620.10

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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.