Home / 220,779,200.40-331,168,800.60-75,376,942.80

Finding the Fourth Proportional to 220,779,200.40, 331,168,800.60 and 75,376,942.80

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Solution

The fourth proportional to 220,779,200.40, 331,168,800.60 and 75,376,942.80 is: 113,065,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,779,200.40 : 331,168,800.60 = 75,376,942.80 : x
  2. Step 2: Convert to fraction form
    220,779,200.40/331,168,800.60 = 75,376,942.80/x
  3. Step 3: Cross multiply
    220,779,200.40x = 331,168,800.60 × 75,376,942.80
  4. Step 4: Simplify right side
    220,779,200.40x = 24,962,491,739,970,808
  5. Step 5: Solve for x
    x = 24,962,491,739,970,808/220,779,200.40
  6. Step 6: Final answer
    x = 113,065,414.20

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1.5x scale

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.