Home / 102,941,858.20-154,412,787.30-34,783,565.80

Finding the Fourth Proportional to 102,941,858.20, 154,412,787.30 and 34,783,565.80

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Solution

The fourth proportional to 102,941,858.20, 154,412,787.30 and 34,783,565.80 is: 52,175,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,941,858.20 : 154,412,787.30 = 34,783,565.80 : x
  2. Step 2: Convert to fraction form
    102,941,858.20/154,412,787.30 = 34,783,565.80/x
  3. Step 3: Cross multiply
    102,941,858.20x = 154,412,787.30 × 34,783,565.80
  4. Step 4: Simplify right side
    102,941,858.20x = 5,371,027,347,410,954
  5. Step 5: Solve for x
    x = 5,371,027,347,410,954/102,941,858.20
  6. Step 6: Final answer
    x = 52,175,348.70

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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.