Home / 253,468,072.89-349,725,983.22-143,459,785.89

Finding the Fourth Proportional to 253,468,072.89, 349,725,983.22 and 143,459,785.89

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Solution

The fourth proportional to 253,468,072.89, 349,725,983.22 and 143,459,785.89 is: 197,940,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,468,072.89 : 349,725,983.22 = 143,459,785.89 : x
  2. Step 2: Convert to fraction form
    253,468,072.89/349,725,983.22 = 143,459,785.89/x
  3. Step 3: Cross multiply
    253,468,072.89x = 349,725,983.22 × 143,459,785.89
  4. Step 4: Simplify right side
    253,468,072.89x = 50,171,614,672,910,928
  5. Step 5: Solve for x
    x = 50,171,614,672,910,928/253,468,072.89
  6. Step 6: Final answer
    x = 197,940,569.40

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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.