Home / 157,529,003.28-217,380,954.60-87,908,920.08

Finding the Fourth Proportional to 157,529,003.28, 217,380,954.60 and 87,908,920.08

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Solution

The fourth proportional to 157,529,003.28, 217,380,954.60 and 87,908,920.08 is: 121,309,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,529,003.28 : 217,380,954.60 = 87,908,920.08 : x
  2. Step 2: Convert to fraction form
    157,529,003.28/217,380,954.60 = 87,908,920.08/x
  3. Step 3: Cross multiply
    157,529,003.28x = 217,380,954.60 × 87,908,920.08
  4. Step 4: Simplify right side
    157,529,003.28x = 19,109,724,964,845,508
  5. Step 5: Solve for x
    x = 19,109,724,964,845,508/157,529,003.28
  6. Step 6: Final answer
    x = 121,309,248.25

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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.