Home / 80,906,876.83-111,681,852.80-53,031,383.43

Finding the Fourth Proportional to 80,906,876.83, 111,681,852.80 and 53,031,383.43

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Solution

The fourth proportional to 80,906,876.83, 111,681,852.80 and 53,031,383.43 is: 73,203,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,906,876.83 : 111,681,852.80 = 53,031,383.43 : x
  2. Step 2: Convert to fraction form
    80,906,876.83/111,681,852.80 = 53,031,383.43/x
  3. Step 3: Cross multiply
    80,906,876.83x = 111,681,852.80 × 53,031,383.43
  4. Step 4: Simplify right side
    80,906,876.83x = 5,922,643,157,950,354
  5. Step 5: Solve for x
    x = 5,922,643,157,950,354/80,906,876.83
  6. Step 6: Final answer
    x = 73,203,210.78

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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.