Home / 312,099,721.25-430,698,123.95-170,967,843.77

Finding the Fourth Proportional to 312,099,721.25, 430,698,123.95 and 170,967,843.77

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Solution

The fourth proportional to 312,099,721.25, 430,698,123.95 and 170,967,843.77 is: 235,935,903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,099,721.25 : 430,698,123.95 = 170,967,843.77 : x
  2. Step 2: Convert to fraction form
    312,099,721.25/430,698,123.95 = 170,967,843.77/x
  3. Step 3: Cross multiply
    312,099,721.25x = 430,698,123.95 × 170,967,843.77
  4. Step 4: Simplify right side
    312,099,721.25x = 73,635,529,567,737,600
  5. Step 5: Solve for x
    x = 73,635,529,567,737,600/312,099,721.25
  6. Step 6: Final answer
    x = 235,935,903.03

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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.