Home / 55,508,129.48-76,602,125.62-30,389,819.69

Finding the Fourth Proportional to 55,508,129.48, 76,602,125.62 and 30,389,819.69

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Solution

The fourth proportional to 55,508,129.48, 76,602,125.62 and 30,389,819.69 is: 41,938,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,508,129.48 : 76,602,125.62 = 30,389,819.69 : x
  2. Step 2: Convert to fraction form
    55,508,129.48/76,602,125.62 = 30,389,819.69/x
  3. Step 3: Cross multiply
    55,508,129.48x = 76,602,125.62 × 30,389,819.69
  4. Step 4: Simplify right side
    55,508,129.48x = 2,327,924,785,692,022
  5. Step 5: Solve for x
    x = 2,327,924,785,692,022/55,508,129.48
  6. Step 6: Final answer
    x = 41,938,447.71

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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.