Home / 101,691,731.07-140,202,868.41-65,864,428.29

Finding the Fourth Proportional to 101,691,731.07, 140,202,868.41 and 65,864,428.29

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Solution

The fourth proportional to 101,691,731.07, 140,202,868.41 and 65,864,428.29 is: 90,807,597.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,691,731.07 : 140,202,868.41 = 65,864,428.29 : x
  2. Step 2: Convert to fraction form
    101,691,731.07/140,202,868.41 = 65,864,428.29/x
  3. Step 3: Cross multiply
    101,691,731.07x = 140,202,868.41 × 65,864,428.29
  4. Step 4: Simplify right side
    101,691,731.07x = 9,234,381,772,442,750
  5. Step 5: Solve for x
    x = 9,234,381,772,442,750/101,691,731.07
  6. Step 6: Final answer
    x = 90,807,597.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.