Home / 215,728,174.20-323,592,261.30-124,804,961.40

Finding the Fourth Proportional to 215,728,174.20, 323,592,261.30 and 124,804,961.40

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Solution

The fourth proportional to 215,728,174.20, 323,592,261.30 and 124,804,961.40 is: 187,207,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,728,174.20 : 323,592,261.30 = 124,804,961.40 : x
  2. Step 2: Convert to fraction form
    215,728,174.20/323,592,261.30 = 124,804,961.40/x
  3. Step 3: Cross multiply
    215,728,174.20x = 323,592,261.30 × 124,804,961.40
  4. Step 4: Simplify right side
    215,728,174.20x = 40,385,919,680,885,216
  5. Step 5: Solve for x
    x = 40,385,919,680,885,216/215,728,174.20
  6. Step 6: Final answer
    x = 187,207,442.10

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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.