Home / 215,481,933,956.53-323,223,212,017.02-87,996,625,727.79

Finding the Fourth Proportional to 215,481,933,956.53, 323,223,212,017.02 and 87,996,625,727.79

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Solution

The fourth proportional to 215,481,933,956.53, 323,223,212,017.02 and 87,996,625,727.79 is: 131,995,065,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,481,933,956.53 : 323,223,212,017.02 = 87,996,625,727.79 : x
  2. Step 2: Convert to fraction form
    215,481,933,956.53/323,223,212,017.02 = 87,996,625,727.79/x
  3. Step 3: Cross multiply
    215,481,933,956.53x = 323,223,212,017.02 × 87,996,625,727.79
  4. Step 4: Simplify right side
    215,481,933,956.53x = 28,442,552,014,395,821,522,944
  5. Step 5: Solve for x
    x = 28,442,552,014,395,821,522,944/215,481,933,956.53
  6. Step 6: Final answer
    x = 131,995,065,628.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.