Home / 132,880,027.20-199,320,040.80-130,192,641.60

Finding the Fourth Proportional to 132,880,027.20, 199,320,040.80 and 130,192,641.60

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Solution

The fourth proportional to 132,880,027.20, 199,320,040.80 and 130,192,641.60 is: 195,288,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,880,027.20 : 199,320,040.80 = 130,192,641.60 : x
  2. Step 2: Convert to fraction form
    132,880,027.20/199,320,040.80 = 130,192,641.60/x
  3. Step 3: Cross multiply
    132,880,027.20x = 199,320,040.80 × 130,192,641.60
  4. Step 4: Simplify right side
    132,880,027.20x = 25,950,002,635,571,776
  5. Step 5: Solve for x
    x = 25,950,002,635,571,776/132,880,027.20
  6. Step 6: Final answer
    x = 195,288,962.40

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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.