Home / 72,255,883.47-108,359,528.82-26,188,109.11

Finding the Fourth Proportional to 72,255,883.47, 108,359,528.82 and 26,188,109.11

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Solution

The fourth proportional to 72,255,883.47, 108,359,528.82 and 26,188,109.11 is: 39,273,357.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,255,883.47 : 108,359,528.82 = 26,188,109.11 : x
  2. Step 2: Convert to fraction form
    72,255,883.47/108,359,528.82 = 26,188,109.11/x
  3. Step 3: Cross multiply
    72,255,883.47x = 108,359,528.82 × 26,188,109.11
  4. Step 4: Simplify right side
    72,255,883.47x = 2,837,731,163,846,349.50
  5. Step 5: Solve for x
    x = 2,837,731,163,846,349.50/72,255,883.47
  6. Step 6: Final answer
    x = 39,273,357.79

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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.