Home / 323,408,291.20-485,112,436.80-93,400,626.40

Finding the Fourth Proportional to 323,408,291.20, 485,112,436.80 and 93,400,626.40

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Solution

The fourth proportional to 323,408,291.20, 485,112,436.80 and 93,400,626.40 is: 140,100,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,408,291.20 : 485,112,436.80 = 93,400,626.40 : x
  2. Step 2: Convert to fraction form
    323,408,291.20/485,112,436.80 = 93,400,626.40/x
  3. Step 3: Cross multiply
    323,408,291.20x = 485,112,436.80 × 93,400,626.40
  4. Step 4: Simplify right side
    323,408,291.20x = 45,309,805,471,550,416
  5. Step 5: Solve for x
    x = 45,309,805,471,550,416/323,408,291.20
  6. Step 6: Final answer
    x = 140,100,939.60

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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.