Home / 73,071,146.40-109,606,719.60-21,946,522.20

Finding the Fourth Proportional to 73,071,146.40, 109,606,719.60 and 21,946,522.20

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Solution

The fourth proportional to 73,071,146.40, 109,606,719.60 and 21,946,522.20 is: 32,919,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,071,146.40 : 109,606,719.60 = 21,946,522.20 : x
  2. Step 2: Convert to fraction form
    73,071,146.40/109,606,719.60 = 21,946,522.20/x
  3. Step 3: Cross multiply
    73,071,146.40x = 109,606,719.60 × 21,946,522.20
  4. Step 4: Simplify right side
    73,071,146.40x = 2,405,486,304,970,575
  5. Step 5: Solve for x
    x = 2,405,486,304,970,575/73,071,146.40
  6. Step 6: Final answer
    x = 32,919,783.30

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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.