Home / 323,408,097.20-485,112,145.80-93,400,432.40

Finding the Fourth Proportional to 323,408,097.20, 485,112,145.80 and 93,400,432.40

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Solution

The fourth proportional to 323,408,097.20, 485,112,145.80 and 93,400,432.40 is: 140,100,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,408,097.20 : 485,112,145.80 = 93,400,432.40 : x
  2. Step 2: Convert to fraction form
    323,408,097.20/485,112,145.80 = 93,400,432.40/x
  3. Step 3: Cross multiply
    323,408,097.20x = 485,112,145.80 × 93,400,432.40
  4. Step 4: Simplify right side
    323,408,097.20x = 45,309,684,180,211,848
  5. Step 5: Solve for x
    x = 45,309,684,180,211,848/323,408,097.20
  6. Step 6: Final answer
    x = 140,100,648.60

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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.