Home / 323,607,686.46-485,358,385.56-139,325,549.70

Finding the Fourth Proportional to 323,607,686.46, 485,358,385.56 and 139,325,549.70

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Solution

The fourth proportional to 323,607,686.46, 485,358,385.56 and 139,325,549.70 is: 208,965,443.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,607,686.46 : 485,358,385.56 = 139,325,549.70 : x
  2. Step 2: Convert to fraction form
    323,607,686.46/485,358,385.56 = 139,325,549.70/x
  3. Step 3: Cross multiply
    323,607,686.46x = 485,358,385.56 × 139,325,549.70
  4. Step 4: Simplify right side
    323,607,686.46x = 67,622,823,869,651,536
  5. Step 5: Solve for x
    x = 67,622,823,869,651,536/323,607,686.46
  6. Step 6: Final answer
    x = 208,965,443.96

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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.