Home / 139,974,254.10-209,961,381.15-131,471,198.10

Finding the Fourth Proportional to 139,974,254.10, 209,961,381.15 and 131,471,198.10

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Solution

The fourth proportional to 139,974,254.10, 209,961,381.15 and 131,471,198.10 is: 197,206,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,974,254.10 : 209,961,381.15 = 131,471,198.10 : x
  2. Step 2: Convert to fraction form
    139,974,254.10/209,961,381.15 = 131,471,198.10/x
  3. Step 3: Cross multiply
    139,974,254.10x = 209,961,381.15 × 131,471,198.10
  4. Step 4: Simplify right side
    139,974,254.10x = 27,603,874,334,521,256
  5. Step 5: Solve for x
    x = 27,603,874,334,521,256/139,974,254.10
  6. Step 6: Final answer
    x = 197,206,797.15

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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.