Home / 91,854,010.20-137,792,825.10-45,819,409.80

Finding the Fourth Proportional to 91,854,010.20, 137,792,825.10 and 45,819,409.80

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Solution

The fourth proportional to 91,854,010.20, 137,792,825.10 and 45,819,409.80 is: 68,735,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,854,010.20 : 137,792,825.10 = 45,819,409.80 : x
  2. Step 2: Convert to fraction form
    91,854,010.20/137,792,825.10 = 45,819,409.80/x
  3. Step 3: Cross multiply
    91,854,010.20x = 137,792,825.10 × 45,819,409.80
  4. Step 4: Simplify right side
    91,854,010.20x = 6,313,585,920,756,625
  5. Step 5: Solve for x
    x = 6,313,585,920,756,625/91,854,010.20
  6. Step 6: Final answer
    x = 68,735,005.77

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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.