Home / 82,738,438.51-114,187,110.06-61,794,109.49

Finding the Fourth Proportional to 82,738,438.51, 114,187,110.06 and 61,794,109.49

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Solution

The fourth proportional to 82,738,438.51, 114,187,110.06 and 61,794,109.49 is: 85,281,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,738,438.51 : 114,187,110.06 = 61,794,109.49 : x
  2. Step 2: Convert to fraction form
    82,738,438.51/114,187,110.06 = 61,794,109.49/x
  3. Step 3: Cross multiply
    82,738,438.51x = 114,187,110.06 × 61,794,109.49
  4. Step 4: Simplify right side
    82,738,438.51x = 7,056,090,781,394,321
  5. Step 5: Solve for x
    x = 7,056,090,781,394,321/82,738,438.51
  6. Step 6: Final answer
    x = 85,281,894.47

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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.