Home / 80,564,039.20-120,861,805.20-32,033,634.40

Finding the Fourth Proportional to 80,564,039.20, 120,861,805.20 and 32,033,634.40

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Solution

The fourth proportional to 80,564,039.20, 120,861,805.20 and 32,033,634.40 is: 48,056,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,564,039.20 : 120,861,805.20 = 32,033,634.40 : x
  2. Step 2: Convert to fraction form
    80,564,039.20/120,861,805.20 = 32,033,634.40/x
  3. Step 3: Cross multiply
    80,564,039.20x = 120,861,805.20 × 32,033,634.40
  4. Step 4: Simplify right side
    80,564,039.20x = 3,871,642,880,700,819
  5. Step 5: Solve for x
    x = 3,871,642,880,700,819/80,564,039.20
  6. Step 6: Final answer
    x = 48,056,712.64

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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.