Home / 149,770,855.60-206,679,931.31-83,691,896.74

Finding the Fourth Proportional to 149,770,855.60, 206,679,931.31 and 83,691,896.74

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Solution

The fourth proportional to 149,770,855.60, 206,679,931.31 and 83,691,896.74 is: 115,492,666.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,770,855.60 : 206,679,931.31 = 83,691,896.74 : x
  2. Step 2: Convert to fraction form
    149,770,855.60/206,679,931.31 = 83,691,896.74/x
  3. Step 3: Cross multiply
    149,770,855.60x = 206,679,931.31 × 83,691,896.74
  4. Step 4: Simplify right side
    149,770,855.60x = 17,297,435,469,119,342
  5. Step 5: Solve for x
    x = 17,297,435,469,119,342/149,770,855.60
  6. Step 6: Final answer
    x = 115,492,666.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.