Home / 54,356,332.80-75,014,843.07-31,155,324.60

Finding the Fourth Proportional to 54,356,332.80, 75,014,843.07 and 31,155,324.60

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Solution

The fourth proportional to 54,356,332.80, 75,014,843.07 and 31,155,324.60 is: 42,996,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,356,332.80 : 75,014,843.07 = 31,155,324.60 : x
  2. Step 2: Convert to fraction form
    54,356,332.80/75,014,843.07 = 31,155,324.60/x
  3. Step 3: Cross multiply
    54,356,332.80x = 75,014,843.07 × 31,155,324.60
  4. Step 4: Simplify right side
    54,356,332.80x = 2,337,111,785,663,910.50
  5. Step 5: Solve for x
    x = 2,337,111,785,663,910.50/54,356,332.80
  6. Step 6: Final answer
    x = 42,996,126.95

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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.