Home / 91,025,647.85-136,585,710.98-39,912,833.45

Finding the Fourth Proportional to 91,025,647.85, 136,585,710.98 and 39,912,833.45

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Solution

The fourth proportional to 91,025,647.85, 136,585,710.98 and 39,912,833.45 is: 59,889,963.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,025,647.85 : 136,585,710.98 = 39,912,833.45 : x
  2. Step 2: Convert to fraction form
    91,025,647.85/136,585,710.98 = 39,912,833.45/x
  3. Step 3: Cross multiply
    91,025,647.85x = 136,585,710.98 × 39,912,833.45
  4. Step 4: Simplify right side
    91,025,647.85x = 5,451,522,733,795,012
  5. Step 5: Solve for x
    x = 5,451,522,733,795,012/91,025,647.85
  6. Step 6: Final answer
    x = 59,889,963.57

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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.