Home / 96,887,542.80-145,533,490.20-81,770,998.80

Finding the Fourth Proportional to 96,887,542.80, 145,533,490.20 and 81,770,998.80

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Solution

The fourth proportional to 96,887,542.80, 145,533,490.20 and 81,770,998.80 is: 122,827,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,887,542.80 : 145,533,490.20 = 81,770,998.80 : x
  2. Step 2: Convert to fraction form
    96,887,542.80/145,533,490.20 = 81,770,998.80/x
  3. Step 3: Cross multiply
    96,887,542.80x = 145,533,490.20 × 81,770,998.80
  4. Step 4: Simplify right side
    96,887,542.80x = 11,900,418,852,504,010
  5. Step 5: Solve for x
    x = 11,900,418,852,504,010/96,887,542.80
  6. Step 6: Final answer
    x = 122,827,130.39

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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.