Home / 276,905,720.96-382,247,555.93-172,535,358.67

Finding the Fourth Proportional to 276,905,720.96, 382,247,555.93 and 172,535,358.67

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Solution

The fourth proportional to 276,905,720.96, 382,247,555.93 and 172,535,358.67 is: 238,172,107.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,720.96 : 382,247,555.93 = 172,535,358.67 : x
  2. Step 2: Convert to fraction form
    276,905,720.96/382,247,555.93 = 172,535,358.67/x
  3. Step 3: Cross multiply
    276,905,720.96x = 382,247,555.93 × 172,535,358.67
  4. Step 4: Simplify right side
    276,905,720.96x = 65,951,219,161,942,136
  5. Step 5: Solve for x
    x = 65,951,219,161,942,136/276,905,720.96
  6. Step 6: Final answer
    x = 238,172,107.58

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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.