Home / 91,864,234.30-137,796,351.45-86,195,530.30

Finding the Fourth Proportional to 91,864,234.30, 137,796,351.45 and 86,195,530.30

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Solution

The fourth proportional to 91,864,234.30, 137,796,351.45 and 86,195,530.30 is: 129,293,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,864,234.30 : 137,796,351.45 = 86,195,530.30 : x
  2. Step 2: Convert to fraction form
    91,864,234.30/137,796,351.45 = 86,195,530.30/x
  3. Step 3: Cross multiply
    91,864,234.30x = 137,796,351.45 × 86,195,530.30
  4. Step 4: Simplify right side
    91,864,234.30x = 11,877,429,586,637,922
  5. Step 5: Solve for x
    x = 11,877,429,586,637,922/91,864,234.30
  6. Step 6: Final answer
    x = 129,293,295.45

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Double scale
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Similar ratio
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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.