Home / 191,396,844.51-287,146,357.49-68,587,576.22

Finding the Fourth Proportional to 191,396,844.51, 287,146,357.49 and 68,587,576.22

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Solution

The fourth proportional to 191,396,844.51, 287,146,357.49 and 68,587,576.22 is: 102,899,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,396,844.51 : 287,146,357.49 = 68,587,576.22 : x
  2. Step 2: Convert to fraction form
    191,396,844.51/287,146,357.49 = 68,587,576.22/x
  3. Step 3: Cross multiply
    191,396,844.51x = 287,146,357.49 × 68,587,576.22
  4. Step 4: Simplify right side
    191,396,844.51x = 19,694,672,678,862,076
  5. Step 5: Solve for x
    x = 19,694,672,678,862,076/191,396,844.51
  6. Step 6: Final answer
    x = 102,899,672.82

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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.