Home / 82,247,467.40-123,371,201.10-31,131,153.80

Finding the Fourth Proportional to 82,247,467.40, 123,371,201.10 and 31,131,153.80

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Solution

The fourth proportional to 82,247,467.40, 123,371,201.10 and 31,131,153.80 is: 46,696,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,247,467.40 : 123,371,201.10 = 31,131,153.80 : x
  2. Step 2: Convert to fraction form
    82,247,467.40/123,371,201.10 = 31,131,153.80/x
  3. Step 3: Cross multiply
    82,247,467.40x = 123,371,201.10 × 31,131,153.80
  4. Step 4: Simplify right side
    82,247,467.40x = 3,840,687,835,934,829
  5. Step 5: Solve for x
    x = 3,840,687,835,934,829/82,247,467.40
  6. Step 6: Final answer
    x = 46,696,730.70

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1.5x scale

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.