Home / 108,755,511.86-150,096,939.09-65,298,247.22

Finding the Fourth Proportional to 108,755,511.86, 150,096,939.09 and 65,298,247.22

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Solution

The fourth proportional to 108,755,511.86, 150,096,939.09 and 65,298,247.22 is: 90,120,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,755,511.86 : 150,096,939.09 = 65,298,247.22 : x
  2. Step 2: Convert to fraction form
    108,755,511.86/150,096,939.09 = 65,298,247.22/x
  3. Step 3: Cross multiply
    108,755,511.86x = 150,096,939.09 × 65,298,247.22
  4. Step 4: Simplify right side
    108,755,511.86x = 9,801,067,035,664,102
  5. Step 5: Solve for x
    x = 9,801,067,035,664,102/108,755,511.86
  6. Step 6: Final answer
    x = 90,120,186.72

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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.