Home / 278,683,376.64-417,791,230.92-123,212,083.56

Finding the Fourth Proportional to 278,683,376.64, 417,791,230.92 and 123,212,083.56

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Solution

The fourth proportional to 278,683,376.64, 417,791,230.92 and 123,212,083.56 is: 184,714,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,683,376.64 : 417,791,230.92 = 123,212,083.56 : x
  2. Step 2: Convert to fraction form
    278,683,376.64/417,791,230.92 = 123,212,083.56/x
  3. Step 3: Cross multiply
    278,683,376.64x = 417,791,230.92 × 123,212,083.56
  4. Step 4: Simplify right side
    278,683,376.64x = 51,476,928,054,750,296
  5. Step 5: Solve for x
    x = 51,476,928,054,750,296/278,683,376.64
  6. Step 6: Final answer
    x = 184,714,742.14

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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.