Home / 91,858,148.80-137,787,223.20-75,914,918.80

Finding the Fourth Proportional to 91,858,148.80, 137,787,223.20 and 75,914,918.80

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Solution

The fourth proportional to 91,858,148.80, 137,787,223.20 and 75,914,918.80 is: 113,872,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,858,148.80 : 137,787,223.20 = 75,914,918.80 : x
  2. Step 2: Convert to fraction form
    91,858,148.80/137,787,223.20 = 75,914,918.80/x
  3. Step 3: Cross multiply
    91,858,148.80x = 137,787,223.20 × 75,914,918.80
  4. Step 4: Simplify right side
    91,858,148.80x = 10,460,105,860,905,474
  5. Step 5: Solve for x
    x = 10,460,105,860,905,474/91,858,148.80
  6. Step 6: Final answer
    x = 113,872,378.20

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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.