Home / 194,318,879.80-291,436,329.30-85,143,839.80

Finding the Fourth Proportional to 194,318,879.80, 291,436,329.30 and 85,143,839.80

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Solution

The fourth proportional to 194,318,879.80, 291,436,329.30 and 85,143,839.80 is: 127,697,360.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,318,879.80 : 291,436,329.30 = 85,143,839.80 : x
  2. Step 2: Convert to fraction form
    194,318,879.80/291,436,329.30 = 85,143,839.80/x
  3. Step 3: Cross multiply
    194,318,879.80x = 291,436,329.30 × 85,143,839.80
  4. Step 4: Simplify right side
    194,318,879.80x = 24,814,008,133,819,248
  5. Step 5: Solve for x
    x = 24,814,008,133,819,248/194,318,879.80
  6. Step 6: Final answer
    x = 127,697,360.95

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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.