Home / 34,778,902.20-52,168,353.30-20,418,185.40

Finding the Fourth Proportional to 34,778,902.20, 52,168,353.30 and 20,418,185.40

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Solution

The fourth proportional to 34,778,902.20, 52,168,353.30 and 20,418,185.40 is: 30,627,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778,902.20 : 52,168,353.30 = 20,418,185.40 : x
  2. Step 2: Convert to fraction form
    34,778,902.20/52,168,353.30 = 20,418,185.40/x
  3. Step 3: Cross multiply
    34,778,902.20x = 52,168,353.30 × 20,418,185.40
  4. Step 4: Simplify right side
    34,778,902.20x = 1,065,183,109,692,101.62
  5. Step 5: Solve for x
    x = 1,065,183,109,692,101.62/34,778,902.20
  6. Step 6: Final answer
    x = 30,627,278.10

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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.