Home / 217,828,961.40-326,743,442.10-79,654,301.40

Finding the Fourth Proportional to 217,828,961.40, 326,743,442.10 and 79,654,301.40

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Solution

The fourth proportional to 217,828,961.40, 326,743,442.10 and 79,654,301.40 is: 119,481,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,828,961.40 : 326,743,442.10 = 79,654,301.40 : x
  2. Step 2: Convert to fraction form
    217,828,961.40/326,743,442.10 = 79,654,301.40/x
  3. Step 3: Cross multiply
    217,828,961.40x = 326,743,442.10 × 79,654,301.40
  4. Step 4: Simplify right side
    217,828,961.40x = 26,026,520,617,506,852
  5. Step 5: Solve for x
    x = 26,026,520,617,506,852/217,828,961.40
  6. Step 6: Final answer
    x = 119,481,452.10

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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.