Home / 156,794,422.82-235,223,028.41-87,805,335.69

Finding the Fourth Proportional to 156,794,422.82, 235,223,028.41 and 87,805,335.69

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Solution

The fourth proportional to 156,794,422.82, 235,223,028.41 and 87,805,335.69 is: 131,725,584.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,794,422.82 : 235,223,028.41 = 87,805,335.69 : x
  2. Step 2: Convert to fraction form
    156,794,422.82/235,223,028.41 = 87,805,335.69/x
  3. Step 3: Cross multiply
    156,794,422.82x = 235,223,028.41 × 87,805,335.69
  4. Step 4: Simplify right side
    156,794,422.82x = 20,653,836,971,119,428
  5. Step 5: Solve for x
    x = 20,653,836,971,119,428/156,794,422.82
  6. Step 6: Final answer
    x = 131,725,584.37

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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.