Home / 66,046,015.20-99,069,022.80-45,890,623.20

Finding the Fourth Proportional to 66,046,015.20, 99,069,022.80 and 45,890,623.20

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Solution

The fourth proportional to 66,046,015.20, 99,069,022.80 and 45,890,623.20 is: 68,835,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,046,015.20 : 99,069,022.80 = 45,890,623.20 : x
  2. Step 2: Convert to fraction form
    66,046,015.20/99,069,022.80 = 45,890,623.20/x
  3. Step 3: Cross multiply
    66,046,015.20x = 99,069,022.80 × 45,890,623.20
  4. Step 4: Simplify right side
    66,046,015.20x = 4,546,339,196,107,009
  5. Step 5: Solve for x
    x = 4,546,339,196,107,009/66,046,015.20
  6. Step 6: Final answer
    x = 68,835,934.80

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Double scale
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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.