Home / 72,592,996.70-108,889,495.05-36,313,291.10

Finding the Fourth Proportional to 72,592,996.70, 108,889,495.05 and 36,313,291.10

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Solution

The fourth proportional to 72,592,996.70, 108,889,495.05 and 36,313,291.10 is: 54,469,936.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,592,996.70 : 108,889,495.05 = 36,313,291.10 : x
  2. Step 2: Convert to fraction form
    72,592,996.70/108,889,495.05 = 36,313,291.10/x
  3. Step 3: Cross multiply
    72,592,996.70x = 108,889,495.05 × 36,313,291.10
  4. Step 4: Simplify right side
    72,592,996.70x = 3,954,135,931,482,659
  5. Step 5: Solve for x
    x = 3,954,135,931,482,659/72,592,996.70
  6. Step 6: Final answer
    x = 54,469,936.65

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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.