Home / 272,720,382.88-409,082,103.60-90,967,061.92

Finding the Fourth Proportional to 272,720,382.88, 409,082,103.60 and 90,967,061.92

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Solution

The fourth proportional to 272,720,382.88, 409,082,103.60 and 90,967,061.92 is: 136,451,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,720,382.88 : 409,082,103.60 = 90,967,061.92 : x
  2. Step 2: Convert to fraction form
    272,720,382.88/409,082,103.60 = 90,967,061.92/x
  3. Step 3: Cross multiply
    272,720,382.88x = 409,082,103.60 × 90,967,061.92
  4. Step 4: Simplify right side
    272,720,382.88x = 37,212,997,048,545,056
  5. Step 5: Solve for x
    x = 37,212,997,048,545,056/272,720,382.88
  6. Step 6: Final answer
    x = 136,451,102.98

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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.