Home / 276,905,719.83-382,247,554.38-172,535,357.54

Finding the Fourth Proportional to 276,905,719.83, 382,247,554.38 and 172,535,357.54

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Solution

The fourth proportional to 276,905,719.83, 382,247,554.38 and 172,535,357.54 is: 238,172,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,719.83 : 382,247,554.38 = 172,535,357.54 : x
  2. Step 2: Convert to fraction form
    276,905,719.83/382,247,554.38 = 172,535,357.54/x
  3. Step 3: Cross multiply
    276,905,719.83x = 382,247,554.38 × 172,535,357.54
  4. Step 4: Simplify right side
    276,905,719.83x = 65,951,218,464,052,504
  5. Step 5: Solve for x
    x = 65,951,218,464,052,504/276,905,719.83
  6. Step 6: Final answer
    x = 238,172,106.03

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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.