Home / 323,408,047.20-485,112,070.80-93,400,382.40

Finding the Fourth Proportional to 323,408,047.20, 485,112,070.80 and 93,400,382.40

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Solution

The fourth proportional to 323,408,047.20, 485,112,070.80 and 93,400,382.40 is: 140,100,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,408,047.20 : 485,112,070.80 = 93,400,382.40 : x
  2. Step 2: Convert to fraction form
    323,408,047.20/485,112,070.80 = 93,400,382.40/x
  3. Step 3: Cross multiply
    323,408,047.20x = 485,112,070.80 × 93,400,382.40
  4. Step 4: Simplify right side
    323,408,047.20x = 45,309,652,919,575,880
  5. Step 5: Solve for x
    x = 45,309,652,919,575,880/323,408,047.20
  6. Step 6: Final answer
    x = 140,100,573.60

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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.