Home / 278,683,372.64-417,791,224.92-123,212,079.56

Finding the Fourth Proportional to 278,683,372.64, 417,791,224.92 and 123,212,079.56

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Solution

The fourth proportional to 278,683,372.64, 417,791,224.92 and 123,212,079.56 is: 184,714,736.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,683,372.64 : 417,791,224.92 = 123,212,079.56 : x
  2. Step 2: Convert to fraction form
    278,683,372.64/417,791,224.92 = 123,212,079.56/x
  3. Step 3: Cross multiply
    278,683,372.64x = 417,791,224.92 × 123,212,079.56
  4. Step 4: Simplify right side
    278,683,372.64x = 51,476,925,644,312,896
  5. Step 5: Solve for x
    x = 51,476,925,644,312,896/278,683,372.64
  6. Step 6: Final answer
    x = 184,714,736.14

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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.