Home / 136,918,412.75-205,379,196.84-49,486,569.81

Finding the Fourth Proportional to 136,918,412.75, 205,379,196.84 and 49,486,569.81

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Solution

The fourth proportional to 136,918,412.75, 205,379,196.84 and 49,486,569.81 is: 74,230,424.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,918,412.75 : 205,379,196.84 = 49,486,569.81 : x
  2. Step 2: Convert to fraction form
    136,918,412.75/205,379,196.84 = 49,486,569.81/x
  3. Step 3: Cross multiply
    136,918,412.75x = 205,379,196.84 × 49,486,569.81
  4. Step 4: Simplify right side
    136,918,412.75x = 10,163,511,960,917,496
  5. Step 5: Solve for x
    x = 10,163,511,960,917,496/136,918,412.75
  6. Step 6: Final answer
    x = 74,230,424.94

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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.