Home / 356,591,420.12-534,923,780.46-123,421,750.52

Finding the Fourth Proportional to 356,591,420.12, 534,923,780.46 and 123,421,750.52

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Solution

The fourth proportional to 356,591,420.12, 534,923,780.46 and 123,421,750.52 is: 185,145,311.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,591,420.12 : 534,923,780.46 = 123,421,750.52 : x
  2. Step 2: Convert to fraction form
    356,591,420.12/534,923,780.46 = 123,421,750.52/x
  3. Step 3: Cross multiply
    356,591,420.12x = 534,923,780.46 × 123,421,750.52
  4. Step 4: Simplify right side
    356,591,420.12x = 66,021,229,379,149,368
  5. Step 5: Solve for x
    x = 66,021,229,379,149,368/356,591,420.12
  6. Step 6: Final answer
    x = 185,145,311.00

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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.