Home / 75,696,930.39-113,543,765.51-21,108,061.29

Finding the Fourth Proportional to 75,696,930.39, 113,543,765.51 and 21,108,061.29

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Solution

The fourth proportional to 75,696,930.39, 113,543,765.51 and 21,108,061.29 is: 31,661,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,696,930.39 : 113,543,765.51 = 21,108,061.29 : x
  2. Step 2: Convert to fraction form
    75,696,930.39/113,543,765.51 = 21,108,061.29/x
  3. Step 3: Cross multiply
    75,696,930.39x = 113,543,765.51 × 21,108,061.29
  4. Step 4: Simplify right side
    75,696,930.39x = 2,396,688,761,482,468
  5. Step 5: Solve for x
    x = 2,396,688,761,482,468/75,696,930.39
  6. Step 6: Final answer
    x = 31,661,637.39

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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.