Home / 136,876,242-205,323,809.76-39,832,753.44

Finding the Fourth Proportional to 136,876,242, 205,323,809.76 and 39,832,753.44

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Solution

The fourth proportional to 136,876,242, 205,323,809.76 and 39,832,753.44 is: 59,751,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,876,242 : 205,323,809.76 = 39,832,753.44 : x
  2. Step 2: Convert to fraction form
    136,876,242/205,323,809.76 = 39,832,753.44/x
  3. Step 3: Cross multiply
    136,876,242x = 205,323,809.76 × 39,832,753.44
  4. Step 4: Simplify right side
    136,876,242x = 8,178,612,689,531,545
  5. Step 5: Solve for x
    x = 8,178,612,689,531,545/136,876,242
  6. Step 6: Final answer
    x = 59,751,879.29

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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.