Home / 276,905,535.68-382,247,300.28-172,535,173.39

Finding the Fourth Proportional to 276,905,535.68, 382,247,300.28 and 172,535,173.39

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Solution

The fourth proportional to 276,905,535.68, 382,247,300.28 and 172,535,173.39 is: 238,171,851.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,535.68 : 382,247,300.28 = 172,535,173.39 : x
  2. Step 2: Convert to fraction form
    276,905,535.68/382,247,300.28 = 172,535,173.39/x
  3. Step 3: Cross multiply
    276,905,535.68x = 382,247,300.28 × 172,535,173.39
  4. Step 4: Simplify right side
    276,905,535.68x = 65,951,104,231,669,184
  5. Step 5: Solve for x
    x = 65,951,104,231,669,184/276,905,535.68
  6. Step 6: Final answer
    x = 238,171,851.89

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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.