Home / 190,160,129.66-262,667,142.36-157,253,302.94

Finding the Fourth Proportional to 190,160,129.66, 262,667,142.36 and 157,253,302.94

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Solution

The fourth proportional to 190,160,129.66, 262,667,142.36 and 157,253,302.94 is: 217,213,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,160,129.66 : 262,667,142.36 = 157,253,302.94 : x
  2. Step 2: Convert to fraction form
    190,160,129.66/262,667,142.36 = 157,253,302.94/x
  3. Step 3: Cross multiply
    190,160,129.66x = 262,667,142.36 × 157,253,302.94
  4. Step 4: Simplify right side
    190,160,129.66x = 41,305,275,708,607,856
  5. Step 5: Solve for x
    x = 41,305,275,708,607,856/190,160,129.66
  6. Step 6: Final answer
    x = 217,213,123.40

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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.