Home / 157,372,099.80-217,174,444.24-87,761,879.96

Finding the Fourth Proportional to 157,372,099.80, 217,174,444.24 and 87,761,879.96

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Solution

The fourth proportional to 157,372,099.80, 217,174,444.24 and 87,761,879.96 is: 121,111,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,372,099.80 : 217,174,444.24 = 87,761,879.96 : x
  2. Step 2: Convert to fraction form
    157,372,099.80/217,174,444.24 = 87,761,879.96/x
  3. Step 3: Cross multiply
    157,372,099.80x = 217,174,444.24 × 87,761,879.96
  4. Step 4: Simplify right side
    157,372,099.80x = 19,059,637,505,770,592
  5. Step 5: Solve for x
    x = 19,059,637,505,770,592/157,372,099.80
  6. Step 6: Final answer
    x = 121,111,922.19

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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.