Home / 61,245,110.70-91,867,666.05-18,110,472.30

Finding the Fourth Proportional to 61,245,110.70, 91,867,666.05 and 18,110,472.30

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Solution

The fourth proportional to 61,245,110.70, 91,867,666.05 and 18,110,472.30 is: 27,165,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,245,110.70 : 91,867,666.05 = 18,110,472.30 : x
  2. Step 2: Convert to fraction form
    61,245,110.70/91,867,666.05 = 18,110,472.30/x
  3. Step 3: Cross multiply
    61,245,110.70x = 91,867,666.05 × 18,110,472.30
  4. Step 4: Simplify right side
    61,245,110.70x = 1,663,766,821,264,175.50
  5. Step 5: Solve for x
    x = 1,663,766,821,264,175.50/61,245,110.70
  6. Step 6: Final answer
    x = 27,165,708.45

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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.