Home / 272,967,021.78-409,612,326.93-100,564,805.76

Finding the Fourth Proportional to 272,967,021.78, 409,612,326.93 and 100,564,805.76

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Solution

The fourth proportional to 272,967,021.78, 409,612,326.93 and 100,564,805.76 is: 150,906,815.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,967,021.78 : 409,612,326.93 = 100,564,805.76 : x
  2. Step 2: Convert to fraction form
    272,967,021.78/409,612,326.93 = 100,564,805.76/x
  3. Step 3: Cross multiply
    272,967,021.78x = 409,612,326.93 × 100,564,805.76
  4. Step 4: Simplify right side
    272,967,021.78x = 41,192,584,094,617,072
  5. Step 5: Solve for x
    x = 41,192,584,094,617,072/272,967,021.78
  6. Step 6: Final answer
    x = 150,906,815.87

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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.