Home / 72,229,385.78-99,675,295.37-43,961,540.77

Finding the Fourth Proportional to 72,229,385.78, 99,675,295.37 and 43,961,540.77

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Solution

The fourth proportional to 72,229,385.78, 99,675,295.37 and 43,961,540.77 is: 60,666,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,229,385.78 : 99,675,295.37 = 43,961,540.77 : x
  2. Step 2: Convert to fraction form
    72,229,385.78/99,675,295.37 = 43,961,540.77/x
  3. Step 3: Cross multiply
    72,229,385.78x = 99,675,295.37 × 43,961,540.77
  4. Step 4: Simplify right side
    72,229,385.78x = 4,381,879,561,170,048
  5. Step 5: Solve for x
    x = 4,381,879,561,170,048/72,229,385.78
  6. Step 6: Final answer
    x = 60,666,161.20

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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.