Home / 54,911,708.03-75,777,948.72-30,132,309.47

Finding the Fourth Proportional to 54,911,708.03, 75,777,948.72 and 30,132,309.47

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Solution

The fourth proportional to 54,911,708.03, 75,777,948.72 and 30,132,309.47 is: 41,582,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,911,708.03 : 75,777,948.72 = 30,132,309.47 : x
  2. Step 2: Convert to fraction form
    54,911,708.03/75,777,948.72 = 30,132,309.47/x
  3. Step 3: Cross multiply
    54,911,708.03x = 75,777,948.72 × 30,132,309.47
  4. Step 4: Simplify right side
    54,911,708.03x = 2,283,364,601,453,940.50
  5. Step 5: Solve for x
    x = 2,283,364,601,453,940.50/54,911,708.03
  6. Step 6: Final answer
    x = 41,582,472.73

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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.