Home / 211,551,444.30-317,327,166.45-138,992,033.10

Finding the Fourth Proportional to 211,551,444.30, 317,327,166.45 and 138,992,033.10

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Solution

The fourth proportional to 211,551,444.30, 317,327,166.45 and 138,992,033.10 is: 208,488,049.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,551,444.30 : 317,327,166.45 = 138,992,033.10 : x
  2. Step 2: Convert to fraction form
    211,551,444.30/317,327,166.45 = 138,992,033.10/x
  3. Step 3: Cross multiply
    211,551,444.30x = 317,327,166.45 × 138,992,033.10
  4. Step 4: Simplify right side
    211,551,444.30x = 44,105,948,022,747,608
  5. Step 5: Solve for x
    x = 44,105,948,022,747,608/211,551,444.30
  6. Step 6: Final answer
    x = 208,488,049.65

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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.