Home / 119,115,119.77-164,383,807.17-66,191,629.75

Finding the Fourth Proportional to 119,115,119.77, 164,383,807.17 and 66,191,629.75

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Solution

The fourth proportional to 119,115,119.77, 164,383,807.17 and 66,191,629.75 is: 91,347,195.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,115,119.77 : 164,383,807.17 = 66,191,629.75 : x
  2. Step 2: Convert to fraction form
    119,115,119.77/164,383,807.17 = 66,191,629.75/x
  3. Step 3: Cross multiply
    119,115,119.77x = 164,383,807.17 × 66,191,629.75
  4. Step 4: Simplify right side
    119,115,119.77x = 10,880,832,101,092,034
  5. Step 5: Solve for x
    x = 10,880,832,101,092,034/119,115,119.77
  6. Step 6: Final answer
    x = 91,347,195.24

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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.