Home / 48,384,079.60-72,492,138.60-45,360,770.80

Finding the Fourth Proportional to 48,384,079.60, 72,492,138.60 and 45,360,770.80

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Solution

The fourth proportional to 48,384,079.60, 72,492,138.60 and 45,360,770.80 is: 67,962,422.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,384,079.60 : 72,492,138.60 = 45,360,770.80 : x
  2. Step 2: Convert to fraction form
    48,384,079.60/72,492,138.60 = 45,360,770.80/x
  3. Step 3: Cross multiply
    48,384,079.60x = 72,492,138.60 × 45,360,770.80
  4. Step 4: Simplify right side
    48,384,079.60x = 3,288,299,283,836,432.50
  5. Step 5: Solve for x
    x = 3,288,299,283,836,432.50/48,384,079.60
  6. Step 6: Final answer
    x = 67,962,422.99

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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.