Home / 72,338,757.45-99,825,182.37-41,398,262.43

Finding the Fourth Proportional to 72,338,757.45, 99,825,182.37 and 41,398,262.43

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Solution

The fourth proportional to 72,338,757.45, 99,825,182.37 and 41,398,262.43 is: 57,128,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,338,757.45 : 99,825,182.37 = 41,398,262.43 : x
  2. Step 2: Convert to fraction form
    72,338,757.45/99,825,182.37 = 41,398,262.43/x
  3. Step 3: Cross multiply
    72,338,757.45x = 99,825,182.37 × 41,398,262.43
  4. Step 4: Simplify right side
    72,338,757.45x = 4,132,589,096,875,869.50
  5. Step 5: Solve for x
    x = 4,132,589,096,875,869.50/72,338,757.45
  6. Step 6: Final answer
    x = 57,128,284.24

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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.