Home / 116,753,128.44-161,120,045.90-63,829,950.12

Finding the Fourth Proportional to 116,753,128.44, 161,120,045.90 and 63,829,950.12

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Solution

The fourth proportional to 116,753,128.44, 161,120,045.90 and 63,829,950.12 is: 88,085,729.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,753,128.44 : 161,120,045.90 = 63,829,950.12 : x
  2. Step 2: Convert to fraction form
    116,753,128.44/161,120,045.90 = 63,829,950.12/x
  3. Step 3: Cross multiply
    116,753,128.44x = 161,120,045.90 × 63,829,950.12
  4. Step 4: Simplify right side
    116,753,128.44x = 10,284,284,493,129,110
  5. Step 5: Solve for x
    x = 10,284,284,493,129,110/116,753,128.44
  6. Step 6: Final answer
    x = 88,085,729.53

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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.