Home / 72,854,648.66-109,270,002.75-26,158,467.78

Finding the Fourth Proportional to 72,854,648.66, 109,270,002.75 and 26,158,467.78

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Solution

The fourth proportional to 72,854,648.66, 109,270,002.75 and 26,158,467.78 is: 39,233,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,854,648.66 : 109,270,002.75 = 26,158,467.78 : x
  2. Step 2: Convert to fraction form
    72,854,648.66/109,270,002.75 = 26,158,467.78/x
  3. Step 3: Cross multiply
    72,854,648.66x = 109,270,002.75 × 26,158,467.78
  4. Step 4: Simplify right side
    72,854,648.66x = 2,858,335,846,256,386.50
  5. Step 5: Solve for x
    x = 2,858,335,846,256,386.50/72,854,648.66
  6. Step 6: Final answer
    x = 39,233,403.75

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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.