Home / 151,189,151.28-208,201,785.48-131,333,852.04

Finding the Fourth Proportional to 151,189,151.28, 208,201,785.48 and 131,333,852.04

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Solution

The fourth proportional to 151,189,151.28, 208,201,785.48 and 131,333,852.04 is: 180,859,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,189,151.28 : 208,201,785.48 = 131,333,852.04 : x
  2. Step 2: Convert to fraction form
    151,189,151.28/208,201,785.48 = 131,333,852.04/x
  3. Step 3: Cross multiply
    151,189,151.28x = 208,201,785.48 × 131,333,852.04
  4. Step 4: Simplify right side
    151,189,151.28x = 27,343,942,488,694,140
  5. Step 5: Solve for x
    x = 27,343,942,488,694,140/151,189,151.28
  6. Step 6: Final answer
    x = 180,859,157.27

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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.