Home / 108,609,910.80-162,922,739.40-65,386,042.80

Finding the Fourth Proportional to 108,609,910.80, 162,922,739.40 and 65,386,042.80

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Solution

The fourth proportional to 108,609,910.80, 162,922,739.40 and 65,386,042.80 is: 98,083,804.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,609,910.80 : 162,922,739.40 = 65,386,042.80 : x
  2. Step 2: Convert to fraction form
    108,609,910.80/162,922,739.40 = 65,386,042.80/x
  3. Step 3: Cross multiply
    108,609,910.80x = 162,922,739.40 × 65,386,042.80
  4. Step 4: Simplify right side
    108,609,910.80x = 10,652,873,211,501,646
  5. Step 5: Solve for x
    x = 10,652,873,211,501,646/108,609,910.80
  6. Step 6: Final answer
    x = 98,083,804.07

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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.