Home / 347,633,867.80-521,520,785.70-101,990,027.80

Finding the Fourth Proportional to 347,633,867.80, 521,520,785.70 and 101,990,027.80

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Solution

The fourth proportional to 347,633,867.80, 521,520,785.70 and 101,990,027.80 is: 153,005,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,633,867.80 : 521,520,785.70 = 101,990,027.80 : x
  2. Step 2: Convert to fraction form
    347,633,867.80/521,520,785.70 = 101,990,027.80/x
  3. Step 3: Cross multiply
    347,633,867.80x = 521,520,785.70 × 101,990,027.80
  4. Step 4: Simplify right side
    347,633,867.80x = 53,189,919,431,820,840
  5. Step 5: Solve for x
    x = 53,189,919,431,820,840/347,633,867.80
  6. Step 6: Final answer
    x = 153,005,573.85

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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.