Home / 251,983,115.44-347,729,085.06-138,952,546.72

Finding the Fourth Proportional to 251,983,115.44, 347,729,085.06 and 138,952,546.72

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Solution

The fourth proportional to 251,983,115.44, 347,729,085.06 and 138,952,546.72 is: 191,750,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,983,115.44 : 347,729,085.06 = 138,952,546.72 : x
  2. Step 2: Convert to fraction form
    251,983,115.44/347,729,085.06 = 138,952,546.72/x
  3. Step 3: Cross multiply
    251,983,115.44x = 347,729,085.06 × 138,952,546.72
  4. Step 4: Simplify right side
    251,983,115.44x = 48,317,841,937,702,504
  5. Step 5: Solve for x
    x = 48,317,841,937,702,504/251,983,115.44
  6. Step 6: Final answer
    x = 191,750,315.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.