Home / 161,839,221.40-242,758,832.10-112,521,496.60

Finding the Fourth Proportional to 161,839,221.40, 242,758,832.10 and 112,521,496.60

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Solution

The fourth proportional to 161,839,221.40, 242,758,832.10 and 112,521,496.60 is: 168,782,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,839,221.40 : 242,758,832.10 = 112,521,496.60 : x
  2. Step 2: Convert to fraction form
    161,839,221.40/242,758,832.10 = 112,521,496.60/x
  3. Step 3: Cross multiply
    161,839,221.40x = 242,758,832.10 × 112,521,496.60
  4. Step 4: Simplify right side
    161,839,221.40x = 27,315,587,100,760,120
  5. Step 5: Solve for x
    x = 27,315,587,100,760,120/161,839,221.40
  6. Step 6: Final answer
    x = 168,782,244.90

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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.