Home / 151,714,791.10-209,366,412.45-82,100,172.67

Finding the Fourth Proportional to 151,714,791.10, 209,366,412.45 and 82,100,172.67

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Solution

The fourth proportional to 151,714,791.10, 209,366,412.45 and 82,100,172.67 is: 113,298,238.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,714,791.10 : 209,366,412.45 = 82,100,172.67 : x
  2. Step 2: Convert to fraction form
    151,714,791.10/209,366,412.45 = 82,100,172.67/x
  3. Step 3: Cross multiply
    151,714,791.10x = 209,366,412.45 × 82,100,172.67
  4. Step 4: Simplify right side
    151,714,791.10x = 17,189,018,613,443,438
  5. Step 5: Solve for x
    x = 17,189,018,613,443,438/151,714,791.10
  6. Step 6: Final answer
    x = 113,298,238.68

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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.