Home / 76,628,301.10-114,942,451.65-68,314,201.90

Finding the Fourth Proportional to 76,628,301.10, 114,942,451.65 and 68,314,201.90

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Solution

The fourth proportional to 76,628,301.10, 114,942,451.65 and 68,314,201.90 is: 102,471,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,628,301.10 : 114,942,451.65 = 68,314,201.90 : x
  2. Step 2: Convert to fraction form
    76,628,301.10/114,942,451.65 = 68,314,201.90/x
  3. Step 3: Cross multiply
    76,628,301.10x = 114,942,451.65 × 68,314,201.90
  4. Step 4: Simplify right side
    76,628,301.10x = 7,852,201,848,899,089
  5. Step 5: Solve for x
    x = 7,852,201,848,899,089/76,628,301.10
  6. Step 6: Final answer
    x = 102,471,302.85

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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.