Home / 54,259,077.75-74,861,031.66-30,733,876.57

Finding the Fourth Proportional to 54,259,077.75, 74,861,031.66 and 30,733,876.57

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Solution

The fourth proportional to 54,259,077.75, 74,861,031.66 and 30,733,876.57 is: 42,403,406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259,077.75 : 74,861,031.66 = 30,733,876.57 : x
  2. Step 2: Convert to fraction form
    54,259,077.75/74,861,031.66 = 30,733,876.57/x
  3. Step 3: Cross multiply
    54,259,077.75x = 74,861,031.66 × 30,733,876.57
  4. Step 4: Simplify right side
    54,259,077.75x = 2,300,769,706,968,781.50
  5. Step 5: Solve for x
    x = 2,300,769,706,968,781.50/54,259,077.75
  6. Step 6: Final answer
    x = 42,403,406.07

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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.