Home / 212,049,166.80-318,073,750.20-154,653,538.80

Finding the Fourth Proportional to 212,049,166.80, 318,073,750.20 and 154,653,538.80

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Solution

The fourth proportional to 212,049,166.80, 318,073,750.20 and 154,653,538.80 is: 231,980,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,049,166.80 : 318,073,750.20 = 154,653,538.80 : x
  2. Step 2: Convert to fraction form
    212,049,166.80/318,073,750.20 = 154,653,538.80/x
  3. Step 3: Cross multiply
    212,049,166.80x = 318,073,750.20 × 154,653,538.80
  4. Step 4: Simplify right side
    212,049,166.80x = 49,191,231,067,817,208
  5. Step 5: Solve for x
    x = 49,191,231,067,817,208/212,049,166.80
  6. Step 6: Final answer
    x = 231,980,308.20

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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.