Home / 87,954,533.58-121,389,797.69-50,777,381.59

Finding the Fourth Proportional to 87,954,533.58, 121,389,797.69 and 50,777,381.59

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Solution

The fourth proportional to 87,954,533.58, 121,389,797.69 and 50,777,381.59 is: 70,080,026.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,954,533.58 : 121,389,797.69 = 50,777,381.59 : x
  2. Step 2: Convert to fraction form
    87,954,533.58/121,389,797.69 = 50,777,381.59/x
  3. Step 3: Cross multiply
    87,954,533.58x = 121,389,797.69 × 50,777,381.59
  4. Step 4: Simplify right side
    87,954,533.58x = 6,163,856,078,438,031
  5. Step 5: Solve for x
    x = 6,163,856,078,438,031/87,954,533.58
  6. Step 6: Final answer
    x = 70,080,026.89

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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.