Home / 45,795,345.06-68,636,739.43-21,169,961.73

Finding the Fourth Proportional to 45,795,345.06, 68,636,739.43 and 21,169,961.73

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Solution

The fourth proportional to 45,795,345.06, 68,636,739.43 and 21,169,961.73 is: 31,728,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,795,345.06 : 68,636,739.43 = 21,169,961.73 : x
  2. Step 2: Convert to fraction form
    45,795,345.06/68,636,739.43 = 21,169,961.73/x
  3. Step 3: Cross multiply
    45,795,345.06x = 68,636,739.43 × 21,169,961.73
  4. Step 4: Simplify right side
    45,795,345.06x = 1,453,037,146,778,981.75
  5. Step 5: Solve for x
    x = 1,453,037,146,778,981.75/45,795,345.06
  6. Step 6: Final answer
    x = 31,728,926.71

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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.