Home / 140,974,660.87-211,505,290.85-67,292,462.95

Finding the Fourth Proportional to 140,974,660.87, 211,505,290.85 and 67,292,462.95

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Solution

The fourth proportional to 140,974,660.87, 211,505,290.85 and 67,292,462.95 is: 100,959,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,974,660.87 : 211,505,290.85 = 67,292,462.95 : x
  2. Step 2: Convert to fraction form
    140,974,660.87/211,505,290.85 = 67,292,462.95/x
  3. Step 3: Cross multiply
    140,974,660.87x = 211,505,290.85 × 67,292,462.95
  4. Step 4: Simplify right side
    140,974,660.87x = 14,232,711,947,916,138
  5. Step 5: Solve for x
    x = 14,232,711,947,916,138/140,974,660.87
  6. Step 6: Final answer
    x = 100,959,362.91

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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.