Home / 66,424,420.80-99,633,086.64-17,901,496.08

Finding the Fourth Proportional to 66,424,420.80, 99,633,086.64 and 17,901,496.08

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Solution

The fourth proportional to 66,424,420.80, 99,633,086.64 and 17,901,496.08 is: 26,851,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,424,420.80 : 99,633,086.64 = 17,901,496.08 : x
  2. Step 2: Convert to fraction form
    66,424,420.80/99,633,086.64 = 17,901,496.08/x
  3. Step 3: Cross multiply
    66,424,420.80x = 99,633,086.64 × 17,901,496.08
  4. Step 4: Simplify right side
    66,424,420.80x = 1,783,581,309,924,260.25
  5. Step 5: Solve for x
    x = 1,783,581,309,924,260.25/66,424,420.80
  6. Step 6: Final answer
    x = 26,851,288.85

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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.