Home / 108,864,138.24-163,304,178.96-43,310,890.80

Finding the Fourth Proportional to 108,864,138.24, 163,304,178.96 and 43,310,890.80

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Solution

The fourth proportional to 108,864,138.24, 163,304,178.96 and 43,310,890.80 is: 64,969,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,864,138.24 : 163,304,178.96 = 43,310,890.80 : x
  2. Step 2: Convert to fraction form
    108,864,138.24/163,304,178.96 = 43,310,890.80/x
  3. Step 3: Cross multiply
    108,864,138.24x = 163,304,178.96 × 43,310,890.80
  4. Step 4: Simplify right side
    108,864,138.24x = 7,072,849,462,120,217
  5. Step 5: Solve for x
    x = 7,072,849,462,120,217/108,864,138.24
  6. Step 6: Final answer
    x = 64,969,507.65

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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.