Home / 165,100,174.83-247,718,146.81-72,935,270.91

Finding the Fourth Proportional to 165,100,174.83, 247,718,146.81 and 72,935,270.91

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Solution

The fourth proportional to 165,100,174.83, 247,718,146.81 and 72,935,270.91 is: 109,432,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,100,174.83 : 247,718,146.81 = 72,935,270.91 : x
  2. Step 2: Convert to fraction form
    165,100,174.83/247,718,146.81 = 72,935,270.91/x
  3. Step 3: Cross multiply
    165,100,174.83x = 247,718,146.81 × 72,935,270.91
  4. Step 4: Simplify right side
    165,100,174.83x = 18,067,390,146,910,500
  5. Step 5: Solve for x
    x = 18,067,390,146,910,500/165,100,174.83
  6. Step 6: Final answer
    x = 109,432,895.30

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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.