Home / 77,891,627.70-116,837,441.55-74,304,400.95

Finding the Fourth Proportional to 77,891,627.70, 116,837,441.55 and 74,304,400.95

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Solution

The fourth proportional to 77,891,627.70, 116,837,441.55 and 74,304,400.95 is: 111,456,601.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,891,627.70 : 116,837,441.55 = 74,304,400.95 : x
  2. Step 2: Convert to fraction form
    77,891,627.70/116,837,441.55 = 74,304,400.95/x
  3. Step 3: Cross multiply
    77,891,627.70x = 116,837,441.55 × 74,304,400.95
  4. Step 4: Simplify right side
    77,891,627.70x = 8,681,536,102,903,390
  5. Step 5: Solve for x
    x = 8,681,536,102,903,390/77,891,627.70
  6. Step 6: Final answer
    x = 111,456,601.43

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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.