Home / 223,916,867.12-336,026,636.78-78,351,689.57

Finding the Fourth Proportional to 223,916,867.12, 336,026,636.78 and 78,351,689.57

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Solution

The fourth proportional to 223,916,867.12, 336,026,636.78 and 78,351,689.57 is: 117,580,488.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,916,867.12 : 336,026,636.78 = 78,351,689.57 : x
  2. Step 2: Convert to fraction form
    223,916,867.12/336,026,636.78 = 78,351,689.57/x
  3. Step 3: Cross multiply
    223,916,867.12x = 336,026,636.78 × 78,351,689.57
  4. Step 4: Simplify right side
    223,916,867.12x = 26,328,254,730,165,812
  5. Step 5: Solve for x
    x = 26,328,254,730,165,812/223,916,867.12
  6. Step 6: Final answer
    x = 117,580,488.99

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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.