Home / 81,479,880.60-122,241,472.20-35,401,977.60

Finding the Fourth Proportional to 81,479,880.60, 122,241,472.20 and 35,401,977.60

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Solution

The fourth proportional to 81,479,880.60, 122,241,472.20 and 35,401,977.60 is: 53,112,373.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,479,880.60 : 122,241,472.20 = 35,401,977.60 : x
  2. Step 2: Convert to fraction form
    81,479,880.60/122,241,472.20 = 35,401,977.60/x
  3. Step 3: Cross multiply
    81,479,880.60x = 122,241,472.20 × 35,401,977.60
  4. Step 4: Simplify right side
    81,479,880.60x = 4,327,589,860,615,423
  5. Step 5: Solve for x
    x = 4,327,589,860,615,423/81,479,880.60
  6. Step 6: Final answer
    x = 53,112,373.62

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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.