Home / 323,371,418.40-485,120,113.20-93,348,007.20

Finding the Fourth Proportional to 323,371,418.40, 485,120,113.20 and 93,348,007.20

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Solution

The fourth proportional to 323,371,418.40, 485,120,113.20 and 93,348,007.20 is: 140,040,192.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,371,418.40 : 485,120,113.20 = 93,348,007.20 : x
  2. Step 2: Convert to fraction form
    323,371,418.40/485,120,113.20 = 93,348,007.20/x
  3. Step 3: Cross multiply
    323,371,418.40x = 485,120,113.20 × 93,348,007.20
  4. Step 4: Simplify right side
    323,371,418.40x = 45,284,995,819,858,416
  5. Step 5: Solve for x
    x = 45,284,995,819,858,416/323,371,418.40
  6. Step 6: Final answer
    x = 140,040,192.93

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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.