Home / 61,042,571.10-91,563,856.65-20,653,055.10

Finding the Fourth Proportional to 61,042,571.10, 91,563,856.65 and 20,653,055.10

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Solution

The fourth proportional to 61,042,571.10, 91,563,856.65 and 20,653,055.10 is: 30,979,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,042,571.10 : 91,563,856.65 = 20,653,055.10 : x
  2. Step 2: Convert to fraction form
    61,042,571.10/91,563,856.65 = 20,653,055.10/x
  3. Step 3: Cross multiply
    61,042,571.10x = 91,563,856.65 × 20,653,055.10
  4. Step 4: Simplify right side
    61,042,571.10x = 1,891,073,376,560,951.75
  5. Step 5: Solve for x
    x = 1,891,073,376,560,951.75/61,042,571.10
  6. Step 6: Final answer
    x = 30,979,582.65

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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.