Home / 79,293,791.88-109,221,548.40-56,048,956.20

Finding the Fourth Proportional to 79,293,791.88, 109,221,548.40 and 56,048,956.20

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Solution

The fourth proportional to 79,293,791.88, 109,221,548.40 and 56,048,956.20 is: 77,203,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,293,791.88 : 109,221,548.40 = 56,048,956.20 : x
  2. Step 2: Convert to fraction form
    79,293,791.88/109,221,548.40 = 56,048,956.20/x
  3. Step 3: Cross multiply
    79,293,791.88x = 109,221,548.40 × 56,048,956.20
  4. Step 4: Simplify right side
    79,293,791.88x = 6,121,753,782,367,781
  5. Step 5: Solve for x
    x = 6,121,753,782,367,781/79,293,791.88
  6. Step 6: Final answer
    x = 77,203,443.51

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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.