Home / 161,125,372.36-241,689,753.48-128,981,611.84

Finding the Fourth Proportional to 161,125,372.36, 241,689,753.48 and 128,981,611.84

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Solution

The fourth proportional to 161,125,372.36, 241,689,753.48 and 128,981,611.84 is: 193,473,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,125,372.36 : 241,689,753.48 = 128,981,611.84 : x
  2. Step 2: Convert to fraction form
    161,125,372.36/241,689,753.48 = 128,981,611.84/x
  3. Step 3: Cross multiply
    161,125,372.36x = 241,689,753.48 × 128,981,611.84
  4. Step 4: Simplify right side
    161,125,372.36x = 31,173,533,969,062,648
  5. Step 5: Solve for x
    x = 31,173,533,969,062,648/161,125,372.36
  6. Step 6: Final answer
    x = 193,473,774.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.