Home / 105,384,831.63-145,446,279.77-60,722,249.78

Finding the Fourth Proportional to 105,384,831.63, 145,446,279.77 and 60,722,249.78

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Solution

The fourth proportional to 105,384,831.63, 145,446,279.77 and 60,722,249.78 is: 83,805,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,384,831.63 : 145,446,279.77 = 60,722,249.78 : x
  2. Step 2: Convert to fraction form
    105,384,831.63/145,446,279.77 = 60,722,249.78/x
  3. Step 3: Cross multiply
    105,384,831.63x = 145,446,279.77 × 60,722,249.78
  4. Step 4: Simplify right side
    105,384,831.63x = 8,831,825,329,978,854
  5. Step 5: Solve for x
    x = 8,831,825,329,978,854/105,384,831.63
  6. Step 6: Final answer
    x = 83,805,469.85

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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.