Home / 70,446,836.20-105,769,787.10-43,572,980.20

Finding the Fourth Proportional to 70,446,836.20, 105,769,787.10 and 43,572,980.20

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Solution

The fourth proportional to 70,446,836.20, 105,769,787.10 and 43,572,980.20 is: 65,421,033.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,446,836.20 : 105,769,787.10 = 43,572,980.20 : x
  2. Step 2: Convert to fraction form
    70,446,836.20/105,769,787.10 = 43,572,980.20/x
  3. Step 3: Cross multiply
    70,446,836.20x = 105,769,787.10 × 43,572,980.20
  4. Step 4: Simplify right side
    70,446,836.20x = 4,608,704,839,066,515
  5. Step 5: Solve for x
    x = 4,608,704,839,066,515/70,446,836.20
  6. Step 6: Final answer
    x = 65,421,033.61

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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.