Home / 131,178,324.50-181,026,100.77-73,231,572.50

Finding the Fourth Proportional to 131,178,324.50, 181,026,100.77 and 73,231,572.50

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Solution

The fourth proportional to 131,178,324.50, 181,026,100.77 and 73,231,572.50 is: 101,059,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,178,324.50 : 181,026,100.77 = 73,231,572.50 : x
  2. Step 2: Convert to fraction form
    131,178,324.50/181,026,100.77 = 73,231,572.50/x
  3. Step 3: Cross multiply
    131,178,324.50x = 181,026,100.77 × 73,231,572.50
  4. Step 4: Simplify right side
    131,178,324.50x = 13,256,826,022,930,562
  5. Step 5: Solve for x
    x = 13,256,826,022,930,562/131,178,324.50
  6. Step 6: Final answer
    x = 101,059,577.29

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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.