Home / 84,013,240.23-125,851,767.53-66,770,538.57

Finding the Fourth Proportional to 84,013,240.23, 125,851,767.53 and 66,770,538.57

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Solution

The fourth proportional to 84,013,240.23, 125,851,767.53 and 66,770,538.57 is: 100,022,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,013,240.23 : 125,851,767.53 = 66,770,538.57 : x
  2. Step 2: Convert to fraction form
    84,013,240.23/125,851,767.53 = 66,770,538.57/x
  3. Step 3: Cross multiply
    84,013,240.23x = 125,851,767.53 × 66,770,538.57
  4. Step 4: Simplify right side
    84,013,240.23x = 8,403,190,297,630,686
  5. Step 5: Solve for x
    x = 8,403,190,297,630,686/84,013,240.23
  6. Step 6: Final answer
    x = 100,022,214.05

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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.