Home / 56,892,078.66-78,511,275.30-30,786,593.52

Finding the Fourth Proportional to 56,892,078.66, 78,511,275.30 and 30,786,593.52

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Solution

The fourth proportional to 56,892,078.66, 78,511,275.30 and 30,786,593.52 is: 42,485,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,892,078.66 : 78,511,275.30 = 30,786,593.52 : x
  2. Step 2: Convert to fraction form
    56,892,078.66/78,511,275.30 = 30,786,593.52/x
  3. Step 3: Cross multiply
    56,892,078.66x = 78,511,275.30 × 30,786,593.52
  4. Step 4: Simplify right side
    56,892,078.66x = 2,417,094,719,397,916
  5. Step 5: Solve for x
    x = 2,417,094,719,397,916/56,892,078.66
  6. Step 6: Final answer
    x = 42,485,610.94

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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.