Home / 243,543,882-365,315,815.94-112,347,340.65

Finding the Fourth Proportional to 243,543,882, 365,315,815.94 and 112,347,340.65

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Solution

The fourth proportional to 243,543,882, 365,315,815.94 and 112,347,340.65 is: 168,521,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,543,882 : 365,315,815.94 = 112,347,340.65 : x
  2. Step 2: Convert to fraction form
    243,543,882/365,315,815.94 = 112,347,340.65/x
  3. Step 3: Cross multiply
    243,543,882x = 365,315,815.94 × 112,347,340.65
  4. Step 4: Simplify right side
    243,543,882x = 41,042,260,417,682,144
  5. Step 5: Solve for x
    x = 41,042,260,417,682,144/243,543,882
  6. Step 6: Final answer
    x = 168,521,007.72

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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.