Home / 323,323,249.20-485,148,688.20-141,572,209.20

Finding the Fourth Proportional to 323,323,249.20, 485,148,688.20 and 141,572,209.20

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Solution

The fourth proportional to 323,323,249.20, 485,148,688.20 and 141,572,209.20 is: 212,430,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,323,249.20 : 485,148,688.20 = 141,572,209.20 : x
  2. Step 2: Convert to fraction form
    323,323,249.20/485,148,688.20 = 141,572,209.20/x
  3. Step 3: Cross multiply
    323,323,249.20x = 485,148,688.20 × 141,572,209.20
  4. Step 4: Simplify right side
    323,323,249.20x = 68,683,571,578,955,960
  5. Step 5: Solve for x
    x = 68,683,571,578,955,960/323,323,249.20
  6. Step 6: Final answer
    x = 212,430,042.53

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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.