Home / 91,864,136.30-137,796,204.45-82,510,774.70

Finding the Fourth Proportional to 91,864,136.30, 137,796,204.45 and 82,510,774.70

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Solution

The fourth proportional to 91,864,136.30, 137,796,204.45 and 82,510,774.70 is: 123,766,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,864,136.30 : 137,796,204.45 = 82,510,774.70 : x
  2. Step 2: Convert to fraction form
    91,864,136.30/137,796,204.45 = 82,510,774.70/x
  3. Step 3: Cross multiply
    91,864,136.30x = 137,796,204.45 × 82,510,774.70
  4. Step 4: Simplify right side
    91,864,136.30x = 11,369,671,579,889,086
  5. Step 5: Solve for x
    x = 11,369,671,579,889,086/91,864,136.30
  6. Step 6: Final answer
    x = 123,766,162.05

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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.