Home / 210,630,435.54-315,959,516.46-55,188,049.74

Finding the Fourth Proportional to 210,630,435.54, 315,959,516.46 and 55,188,049.74

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Solution

The fourth proportional to 210,630,435.54, 315,959,516.46 and 55,188,049.74 is: 82,785,706.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,630,435.54 : 315,959,516.46 = 55,188,049.74 : x
  2. Step 2: Convert to fraction form
    210,630,435.54/315,959,516.46 = 55,188,049.74/x
  3. Step 3: Cross multiply
    210,630,435.54x = 315,959,516.46 × 55,188,049.74
  4. Step 4: Simplify right side
    210,630,435.54x = 17,437,189,510,220,828
  5. Step 5: Solve for x
    x = 17,437,189,510,220,828/210,630,435.54
  6. Step 6: Final answer
    x = 82,785,706.94

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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.