Home / 80,906,877.33-111,681,853.49-53,031,383.93

Finding the Fourth Proportional to 80,906,877.33, 111,681,853.49 and 53,031,383.93

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Solution

The fourth proportional to 80,906,877.33, 111,681,853.49 and 53,031,383.93 is: 73,203,211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,906,877.33 : 111,681,853.49 = 53,031,383.93 : x
  2. Step 2: Convert to fraction form
    80,906,877.33/111,681,853.49 = 53,031,383.93/x
  3. Step 3: Cross multiply
    80,906,877.33x = 111,681,853.49 × 53,031,383.93
  4. Step 4: Simplify right side
    80,906,877.33x = 5,922,643,250,177,043
  5. Step 5: Solve for x
    x = 5,922,643,250,177,043/80,906,877.33
  6. Step 6: Final answer
    x = 73,203,211.47

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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.