Home / 219,895,145.96-329,843,719.49-74,329,486.65

Finding the Fourth Proportional to 219,895,145.96, 329,843,719.49 and 74,329,486.65

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Solution

The fourth proportional to 219,895,145.96, 329,843,719.49 and 74,329,486.65 is: 111,494,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,895,145.96 : 329,843,719.49 = 74,329,486.65 : x
  2. Step 2: Convert to fraction form
    219,895,145.96/329,843,719.49 = 74,329,486.65/x
  3. Step 3: Cross multiply
    219,895,145.96x = 329,843,719.49 × 74,329,486.65
  4. Step 4: Simplify right side
    219,895,145.96x = 24,517,114,344,046,656
  5. Step 5: Solve for x
    x = 24,517,114,344,046,656/219,895,145.96
  6. Step 6: Final answer
    x = 111,494,568.18

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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.