Home / 108,612,515.97-149,890,396.26-61,570,501.19

Finding the Fourth Proportional to 108,612,515.97, 149,890,396.26 and 61,570,501.19

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Solution

The fourth proportional to 108,612,515.97, 149,890,396.26 and 61,570,501.19 is: 84,970,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,612,515.97 : 149,890,396.26 = 61,570,501.19 : x
  2. Step 2: Convert to fraction form
    108,612,515.97/149,890,396.26 = 61,570,501.19/x
  3. Step 3: Cross multiply
    108,612,515.97x = 149,890,396.26 × 61,570,501.19
  4. Step 4: Simplify right side
    108,612,515.97x = 9,228,826,821,295,900
  5. Step 5: Solve for x
    x = 9,228,826,821,295,900/108,612,515.97
  6. Step 6: Final answer
    x = 84,970,196.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.