Home / 219,541,319.20-329,311,978.80-57,983,255.20

Finding the Fourth Proportional to 219,541,319.20, 329,311,978.80 and 57,983,255.20

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Solution

The fourth proportional to 219,541,319.20, 329,311,978.80 and 57,983,255.20 is: 86,974,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,541,319.20 : 329,311,978.80 = 57,983,255.20 : x
  2. Step 2: Convert to fraction form
    219,541,319.20/329,311,978.80 = 57,983,255.20/x
  3. Step 3: Cross multiply
    219,541,319.20x = 329,311,978.80 × 57,983,255.20
  4. Step 4: Simplify right side
    219,541,319.20x = 19,094,580,507,177,392
  5. Step 5: Solve for x
    x = 19,094,580,507,177,392/219,541,319.20
  6. Step 6: Final answer
    x = 86,974,882.80

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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.