Home / 140,784,976.90-211,177,859.02-43,754,872.78

Finding the Fourth Proportional to 140,784,976.90, 211,177,859.02 and 43,754,872.78

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Solution

The fourth proportional to 140,784,976.90, 211,177,859.02 and 43,754,872.78 is: 65,632,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,784,976.90 : 211,177,859.02 = 43,754,872.78 : x
  2. Step 2: Convert to fraction form
    140,784,976.90/211,177,859.02 = 43,754,872.78/x
  3. Step 3: Cross multiply
    140,784,976.90x = 211,177,859.02 × 43,754,872.78
  4. Step 4: Simplify right side
    140,784,976.90x = 9,240,060,355,372,876
  5. Step 5: Solve for x
    x = 9,240,060,355,372,876/140,784,976.90
  6. Step 6: Final answer
    x = 65,632,431.52

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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.