Home / 66,267,078.30-99,400,617.45-17,752,419.90

Finding the Fourth Proportional to 66,267,078.30, 99,400,617.45 and 17,752,419.90

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Solution

The fourth proportional to 66,267,078.30, 99,400,617.45 and 17,752,419.90 is: 26,628,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,267,078.30 : 99,400,617.45 = 17,752,419.90 : x
  2. Step 2: Convert to fraction form
    66,267,078.30/99,400,617.45 = 17,752,419.90/x
  3. Step 3: Cross multiply
    66,267,078.30x = 99,400,617.45 × 17,752,419.90
  4. Step 4: Simplify right side
    66,267,078.30x = 1,764,601,499,291,667.25
  5. Step 5: Solve for x
    x = 1,764,601,499,291,667.25/66,267,078.30
  6. Step 6: Final answer
    x = 26,628,629.85

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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.