Home / 136,918,412.25-205,379,196.09-49,486,569.31

Finding the Fourth Proportional to 136,918,412.25, 205,379,196.09 and 49,486,569.31

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Solution

The fourth proportional to 136,918,412.25, 205,379,196.09 and 49,486,569.31 is: 74,230,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,918,412.25 : 205,379,196.09 = 49,486,569.31 : x
  2. Step 2: Convert to fraction form
    136,918,412.25/205,379,196.09 = 49,486,569.31/x
  3. Step 3: Cross multiply
    136,918,412.25x = 205,379,196.09 × 49,486,569.31
  4. Step 4: Simplify right side
    136,918,412.25x = 10,163,511,821,338,992
  5. Step 5: Solve for x
    x = 10,163,511,821,338,992/136,918,412.25
  6. Step 6: Final answer
    x = 74,230,424.19

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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.