Home / 68,256,429.80-102,384,644.70-22,812,319.40

Finding the Fourth Proportional to 68,256,429.80, 102,384,644.70 and 22,812,319.40

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Solution

The fourth proportional to 68,256,429.80, 102,384,644.70 and 22,812,319.40 is: 34,218,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,256,429.80 : 102,384,644.70 = 22,812,319.40 : x
  2. Step 2: Convert to fraction form
    68,256,429.80/102,384,644.70 = 22,812,319.40/x
  3. Step 3: Cross multiply
    68,256,429.80x = 102,384,644.70 × 22,812,319.40
  4. Step 4: Simplify right side
    68,256,429.80x = 2,335,631,216,551,917
  5. Step 5: Solve for x
    x = 2,335,631,216,551,917/68,256,429.80
  6. Step 6: Final answer
    x = 34,218,479.10

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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.