Home / 111,895,700,700.92-167,930,588,962.89-78,099,770,696.36

Finding the Fourth Proportional to 111,895,700,700.92, 167,930,588,962.89 and 78,099,770,696.36

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Solution

The fourth proportional to 111,895,700,700.92, 167,930,588,962.89 and 78,099,770,696.36 is: 117,210,405,840.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,895,700,700.92 : 167,930,588,962.89 = 78,099,770,696.36 : x
  2. Step 2: Convert to fraction form
    111,895,700,700.92/167,930,588,962.89 = 78,099,770,696.36/x
  3. Step 3: Cross multiply
    111,895,700,700.92x = 167,930,588,962.89 × 78,099,770,696.36
  4. Step 4: Simplify right side
    111,895,700,700.92x = 13,115,340,490,905,552,420,864
  5. Step 5: Solve for x
    x = 13,115,340,490,905,552,420,864/111,895,700,700.92
  6. Step 6: Final answer
    x = 117,210,405,840.00

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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.