Home / 100,922,890.82-139,273,642.71-54,513,144.66

Finding the Fourth Proportional to 100,922,890.82, 139,273,642.71 and 54,513,144.66

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Solution

The fourth proportional to 100,922,890.82, 139,273,642.71 and 54,513,144.66 is: 75,228,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,922,890.82 : 139,273,642.71 = 54,513,144.66 : x
  2. Step 2: Convert to fraction form
    100,922,890.82/139,273,642.71 = 54,513,144.66/x
  3. Step 3: Cross multiply
    100,922,890.82x = 139,273,642.71 × 54,513,144.66
  4. Step 4: Simplify right side
    100,922,890.82x = 7,592,244,232,375,384
  5. Step 5: Solve for x
    x = 7,592,244,232,375,384/100,922,890.82
  6. Step 6: Final answer
    x = 75,228,168.46

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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.