Home / 208,767,639.80-313,147,364.75-84,266,956.73

Finding the Fourth Proportional to 208,767,639.80, 313,147,364.75 and 84,266,956.73

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Solution

The fourth proportional to 208,767,639.80, 313,147,364.75 and 84,266,956.73 is: 126,398,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,767,639.80 : 313,147,364.75 = 84,266,956.73 : x
  2. Step 2: Convert to fraction form
    208,767,639.80/313,147,364.75 = 84,266,956.73/x
  3. Step 3: Cross multiply
    208,767,639.80x = 313,147,364.75 × 84,266,956.73
  4. Step 4: Simplify right side
    208,767,639.80x = 26,387,975,436,179,312
  5. Step 5: Solve for x
    x = 26,387,975,436,179,312/208,767,639.80
  6. Step 6: Final answer
    x = 126,398,782.21

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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.