Home / 156,081,256.86-215,405,361.48-86,488,467.42

Finding the Fourth Proportional to 156,081,256.86, 215,405,361.48 and 86,488,467.42

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Solution

The fourth proportional to 156,081,256.86, 215,405,361.48 and 86,488,467.42 is: 119,361,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,081,256.86 : 215,405,361.48 = 86,488,467.42 : x
  2. Step 2: Convert to fraction form
    156,081,256.86/215,405,361.48 = 86,488,467.42/x
  3. Step 3: Cross multiply
    156,081,256.86x = 215,405,361.48 × 86,488,467.42
  4. Step 4: Simplify right side
    156,081,256.86x = 18,630,079,588,456,304
  5. Step 5: Solve for x
    x = 18,630,079,588,456,304/156,081,256.86
  6. Step 6: Final answer
    x = 119,361,414.45

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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.