Home / 117,236,829.66-161,860,218.63-75,493,516.86

Finding the Fourth Proportional to 117,236,829.66, 161,860,218.63 and 75,493,516.86

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Solution

The fourth proportional to 117,236,829.66, 161,860,218.63 and 75,493,516.86 is: 104,228,314.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,236,829.66 : 161,860,218.63 = 75,493,516.86 : x
  2. Step 2: Convert to fraction form
    117,236,829.66/161,860,218.63 = 75,493,516.86/x
  3. Step 3: Cross multiply
    117,236,829.66x = 161,860,218.63 × 75,493,516.86
  4. Step 4: Simplify right side
    117,236,829.66x = 12,219,397,144,107,190
  5. Step 5: Solve for x
    x = 12,219,397,144,107,190/117,236,829.66
  6. Step 6: Final answer
    x = 104,228,314.43

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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.