Home / 323,408,043.20-485,112,064.80-93,400,378.40

Finding the Fourth Proportional to 323,408,043.20, 485,112,064.80 and 93,400,378.40

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Solution

The fourth proportional to 323,408,043.20, 485,112,064.80 and 93,400,378.40 is: 140,100,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,408,043.20 : 485,112,064.80 = 93,400,378.40 : x
  2. Step 2: Convert to fraction form
    323,408,043.20/485,112,064.80 = 93,400,378.40/x
  3. Step 3: Cross multiply
    323,408,043.20x = 485,112,064.80 × 93,400,378.40
  4. Step 4: Simplify right side
    323,408,043.20x = 45,309,650,418,725,328
  5. Step 5: Solve for x
    x = 45,309,650,418,725,328/323,408,043.20
  6. Step 6: Final answer
    x = 140,100,567.60

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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.