Home / 286,137,189-394,846,808.40-162,377,865.72

Finding the Fourth Proportional to 286,137,189, 394,846,808.40 and 162,377,865.72

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Solution

The fourth proportional to 286,137,189, 394,846,808.40 and 162,377,865.72 is: 224,068,679.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,137,189 : 394,846,808.40 = 162,377,865.72 : x
  2. Step 2: Convert to fraction form
    286,137,189/394,846,808.40 = 162,377,865.72/x
  3. Step 3: Cross multiply
    286,137,189x = 394,846,808.40 × 162,377,865.72
  4. Step 4: Simplify right side
    286,137,189x = 64,114,382,034,345,760
  5. Step 5: Solve for x
    x = 64,114,382,034,345,760/286,137,189
  6. Step 6: Final answer
    x = 224,068,679.29

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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.