Home / 66,139,635.92-91,274,675.16-36,368,737.52

Finding the Fourth Proportional to 66,139,635.92, 91,274,675.16 and 36,368,737.52

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Solution

The fourth proportional to 66,139,635.92, 91,274,675.16 and 36,368,737.52 is: 50,189,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,139,635.92 : 91,274,675.16 = 36,368,737.52 : x
  2. Step 2: Convert to fraction form
    66,139,635.92/91,274,675.16 = 36,368,737.52/x
  3. Step 3: Cross multiply
    66,139,635.92x = 91,274,675.16 × 36,368,737.52
  4. Step 4: Simplify right side
    66,139,635.92x = 3,319,544,703,117,304
  5. Step 5: Solve for x
    x = 3,319,544,703,117,304/66,139,635.92
  6. Step 6: Final answer
    x = 50,189,945.21

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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.