Home / 312,901,674.30-469,520,473.05-131,167,223.10

Finding the Fourth Proportional to 312,901,674.30, 469,520,473.05 and 131,167,223.10

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Solution

The fourth proportional to 312,901,674.30, 469,520,473.05 and 131,167,223.10 is: 196,821,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,901,674.30 : 469,520,473.05 = 131,167,223.10 : x
  2. Step 2: Convert to fraction form
    312,901,674.30/469,520,473.05 = 131,167,223.10/x
  3. Step 3: Cross multiply
    312,901,674.30x = 469,520,473.05 × 131,167,223.10
  4. Step 4: Simplify right side
    312,901,674.30x = 61,585,696,638,566,888
  5. Step 5: Solve for x
    x = 61,585,696,638,566,888/312,901,674.30
  6. Step 6: Final answer
    x = 196,821,243.53

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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.