Home / 76,580,085.09-105,681,191.90-41,772,930.33

Finding the Fourth Proportional to 76,580,085.09, 105,681,191.90 and 41,772,930.33

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Solution

The fourth proportional to 76,580,085.09, 105,681,191.90 and 41,772,930.33 is: 57,647,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,580,085.09 : 105,681,191.90 = 41,772,930.33 : x
  2. Step 2: Convert to fraction form
    76,580,085.09/105,681,191.90 = 41,772,930.33/x
  3. Step 3: Cross multiply
    76,580,085.09x = 105,681,191.90 × 41,772,930.33
  4. Step 4: Simplify right side
    76,580,085.09x = 4,414,613,066,221,195.50
  5. Step 5: Solve for x
    x = 4,414,613,066,221,195.50/76,580,085.09
  6. Step 6: Final answer
    x = 57,647,011.77

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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.