Home / 276,905,715.48-382,247,548.42-172,535,353.20

Finding the Fourth Proportional to 276,905,715.48, 382,247,548.42 and 172,535,353.20

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Solution

The fourth proportional to 276,905,715.48, 382,247,548.42 and 172,535,353.20 is: 238,172,100.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,715.48 : 382,247,548.42 = 172,535,353.20 : x
  2. Step 2: Convert to fraction form
    276,905,715.48/382,247,548.42 = 172,535,353.20/x
  3. Step 3: Cross multiply
    276,905,715.48x = 382,247,548.42 × 172,535,353.20
  4. Step 4: Simplify right side
    276,905,715.48x = 65,951,215,776,478,800
  5. Step 5: Solve for x
    x = 65,951,215,776,478,800/276,905,715.48
  6. Step 6: Final answer
    x = 238,172,100.07

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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.