Home / 72,741,830.44-109,127,142.32-26,684,101.83

Finding the Fourth Proportional to 72,741,830.44, 109,127,142.32 and 26,684,101.83

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Solution

The fourth proportional to 72,741,830.44, 109,127,142.32 and 26,684,101.83 is: 40,031,433.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,741,830.44 : 109,127,142.32 = 26,684,101.83 : x
  2. Step 2: Convert to fraction form
    72,741,830.44/109,127,142.32 = 26,684,101.83/x
  3. Step 3: Cross multiply
    72,741,830.44x = 109,127,142.32 × 26,684,101.83
  4. Step 4: Simplify right side
    72,741,830.44x = 2,911,959,777,404,726
  5. Step 5: Solve for x
    x = 2,911,959,777,404,726/72,741,830.44
  6. Step 6: Final answer
    x = 40,031,433.91

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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.