Home / 111,895,700,691.56-167,930,588,948.64-78,099,770,687

Finding the Fourth Proportional to 111,895,700,691.56, 167,930,588,948.64 and 78,099,770,687

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Solution

The fourth proportional to 111,895,700,691.56, 167,930,588,948.64 and 78,099,770,687 is: 117,210,405,825.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,895,700,691.56 : 167,930,588,948.64 = 78,099,770,687 : x
  2. Step 2: Convert to fraction form
    111,895,700,691.56/167,930,588,948.64 = 78,099,770,687/x
  3. Step 3: Cross multiply
    111,895,700,691.56x = 167,930,588,948.64 × 78,099,770,687
  4. Step 4: Simplify right side
    111,895,700,691.56x = 13,115,340,488,221,642,457,088
  5. Step 5: Solve for x
    x = 13,115,340,488,221,642,457,088/111,895,700,691.56
  6. Step 6: Final answer
    x = 117,210,405,825.82

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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.