Home / 91,882,999.80-137,824,499.70-82,795,358.70

Finding the Fourth Proportional to 91,882,999.80, 137,824,499.70 and 82,795,358.70

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Solution

The fourth proportional to 91,882,999.80, 137,824,499.70 and 82,795,358.70 is: 124,193,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,882,999.80 : 137,824,499.70 = 82,795,358.70 : x
  2. Step 2: Convert to fraction form
    91,882,999.80/137,824,499.70 = 82,795,358.70/x
  3. Step 3: Cross multiply
    91,882,999.80x = 137,824,499.70 × 82,795,358.70
  4. Step 4: Simplify right side
    91,882,999.80x = 11,411,228,890,309,542
  5. Step 5: Solve for x
    x = 11,411,228,890,309,542/91,882,999.80
  6. Step 6: Final answer
    x = 124,193,038.05

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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.