Home / 80,903,772.30-121,359,200.85-23,401,856.10

Finding the Fourth Proportional to 80,903,772.30, 121,359,200.85 and 23,401,856.10

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Solution

The fourth proportional to 80,903,772.30, 121,359,200.85 and 23,401,856.10 is: 35,103,808.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,903,772.30 : 121,359,200.85 = 23,401,856.10 : x
  2. Step 2: Convert to fraction form
    80,903,772.30/121,359,200.85 = 23,401,856.10/x
  3. Step 3: Cross multiply
    80,903,772.30x = 121,359,200.85 × 23,401,856.10
  4. Step 4: Simplify right side
    80,903,772.30x = 2,840,030,554,702,697.50
  5. Step 5: Solve for x
    x = 2,840,030,554,702,697.50/80,903,772.30
  6. Step 6: Final answer
    x = 35,103,808.81

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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.