Home / 203,333,115.53-280,714,927.46-155,558,486.67

Finding the Fourth Proportional to 203,333,115.53, 280,714,927.46 and 155,558,486.67

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Solution

The fourth proportional to 203,333,115.53, 280,714,927.46 and 155,558,486.67 is: 214,758,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,333,115.53 : 280,714,927.46 = 155,558,486.67 : x
  2. Step 2: Convert to fraction form
    203,333,115.53/280,714,927.46 = 155,558,486.67/x
  3. Step 3: Cross multiply
    203,333,115.53x = 280,714,927.46 × 155,558,486.67
  4. Step 4: Simplify right side
    203,333,115.53x = 43,667,589,300,578,632
  5. Step 5: Solve for x
    x = 43,667,589,300,578,632/203,333,115.53
  6. Step 6: Final answer
    x = 214,758,865.95

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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.