Home / 215,476,429-323,260,037.22-69,898,623.40

Finding the Fourth Proportional to 215,476,429, 323,260,037.22 and 69,898,623.40

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Solution

The fourth proportional to 215,476,429, 323,260,037.22 and 69,898,623.40 is: 104,862,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,476,429 : 323,260,037.22 = 69,898,623.40 : x
  2. Step 2: Convert to fraction form
    215,476,429/323,260,037.22 = 69,898,623.40/x
  3. Step 3: Cross multiply
    215,476,429x = 323,260,037.22 × 69,898,623.40
  4. Step 4: Simplify right side
    215,476,429x = 22,595,431,601,910,768
  5. Step 5: Solve for x
    x = 22,595,431,601,910,768/215,476,429
  6. Step 6: Final answer
    x = 104,862,660.42

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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.