Home / 67,414,685.70-93,005,796.21-39,152,247.56

Finding the Fourth Proportional to 67,414,685.70, 93,005,796.21 and 39,152,247.56

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Solution

The fourth proportional to 67,414,685.70, 93,005,796.21 and 39,152,247.56 is: 54,014,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,414,685.70 : 93,005,796.21 = 39,152,247.56 : x
  2. Step 2: Convert to fraction form
    67,414,685.70/93,005,796.21 = 39,152,247.56/x
  3. Step 3: Cross multiply
    67,414,685.70x = 93,005,796.21 × 39,152,247.56
  4. Step 4: Simplify right side
    67,414,685.70x = 3,641,385,957,728,829.50
  5. Step 5: Solve for x
    x = 3,641,385,957,728,829.50/67,414,685.70
  6. Step 6: Final answer
    x = 54,014,728.69

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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.