Home / 61,042,600.10-91,563,900.15-20,653,084.10

Finding the Fourth Proportional to 61,042,600.10, 91,563,900.15 and 20,653,084.10

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Solution

The fourth proportional to 61,042,600.10, 91,563,900.15 and 20,653,084.10 is: 30,979,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,042,600.10 : 91,563,900.15 = 20,653,084.10 : x
  2. Step 2: Convert to fraction form
    61,042,600.10/91,563,900.15 = 20,653,084.10/x
  3. Step 3: Cross multiply
    61,042,600.10x = 91,563,900.15 × 20,653,084.10
  4. Step 4: Simplify right side
    61,042,600.10x = 1,891,076,930,321,952.75
  5. Step 5: Solve for x
    x = 1,891,076,930,321,952.75/61,042,600.10
  6. Step 6: Final answer
    x = 30,979,626.15

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Similar ratio
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1.5x scale

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.