Home / 323,436,869.40-485,218,289.70-93,413,458.20

Finding the Fourth Proportional to 323,436,869.40, 485,218,289.70 and 93,413,458.20

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Solution

The fourth proportional to 323,436,869.40, 485,218,289.70 and 93,413,458.20 is: 140,138,378.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,436,869.40 : 485,218,289.70 = 93,413,458.20 : x
  2. Step 2: Convert to fraction form
    323,436,869.40/485,218,289.70 = 93,413,458.20/x
  3. Step 3: Cross multiply
    323,436,869.40x = 485,218,289.70 × 93,413,458.20
  4. Step 4: Simplify right side
    323,436,869.40x = 45,325,918,422,766,440
  5. Step 5: Solve for x
    x = 45,325,918,422,766,440/323,436,869.40
  6. Step 6: Final answer
    x = 140,138,378.49

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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.