Home / 217,290,722.20-325,936,083.30-166,272,386.20

Finding the Fourth Proportional to 217,290,722.20, 325,936,083.30 and 166,272,386.20

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Solution

The fourth proportional to 217,290,722.20, 325,936,083.30 and 166,272,386.20 is: 249,408,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,290,722.20 : 325,936,083.30 = 166,272,386.20 : x
  2. Step 2: Convert to fraction form
    217,290,722.20/325,936,083.30 = 166,272,386.20/x
  3. Step 3: Cross multiply
    217,290,722.20x = 325,936,083.30 × 166,272,386.20
  4. Step 4: Simplify right side
    217,290,722.20x = 54,194,170,318,972,968
  5. Step 5: Solve for x
    x = 54,194,170,318,972,968/217,290,722.20
  6. Step 6: Final answer
    x = 249,408,579.30

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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.