Home / 136,575,869.82-188,479,606.23-77,847,396.54

Finding the Fourth Proportional to 136,575,869.82, 188,479,606.23 and 77,847,396.54

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Solution

The fourth proportional to 136,575,869.82, 188,479,606.23 and 77,847,396.54 is: 107,432,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,575,869.82 : 188,479,606.23 = 77,847,396.54 : x
  2. Step 2: Convert to fraction form
    136,575,869.82/188,479,606.23 = 77,847,396.54/x
  3. Step 3: Cross multiply
    136,575,869.82x = 188,479,606.23 × 77,847,396.54
  4. Step 4: Simplify right side
    136,575,869.82x = 14,672,646,645,889,864
  5. Step 5: Solve for x
    x = 14,672,646,645,889,864/136,575,869.82
  6. Step 6: Final answer
    x = 107,432,203.55

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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.