Home / 318,481,886.88-477,500,732.51-141,122,565.05

Finding the Fourth Proportional to 318,481,886.88, 477,500,732.51 and 141,122,565.05

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Solution

The fourth proportional to 318,481,886.88, 477,500,732.51 and 141,122,565.05 is: 211,585,433.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,481,886.88 : 477,500,732.51 = 141,122,565.05 : x
  2. Step 2: Convert to fraction form
    318,481,886.88/477,500,732.51 = 141,122,565.05/x
  3. Step 3: Cross multiply
    318,481,886.88x = 477,500,732.51 × 141,122,565.05
  4. Step 4: Simplify right side
    318,481,886.88x = 67,386,128,181,972,000
  5. Step 5: Solve for x
    x = 67,386,128,181,972,000/318,481,886.88
  6. Step 6: Final answer
    x = 211,585,433.77

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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.