Home / 79,293,789.88-109,221,545.64-56,048,954.20

Finding the Fourth Proportional to 79,293,789.88, 109,221,545.64 and 56,048,954.20

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Solution

The fourth proportional to 79,293,789.88, 109,221,545.64 and 56,048,954.20 is: 77,203,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,293,789.88 : 109,221,545.64 = 56,048,954.20 : x
  2. Step 2: Convert to fraction form
    79,293,789.88/109,221,545.64 = 56,048,954.20/x
  3. Step 3: Cross multiply
    79,293,789.88x = 109,221,545.64 × 56,048,954.20
  4. Step 4: Simplify right side
    79,293,789.88x = 6,121,753,409,166,699
  5. Step 5: Solve for x
    x = 6,121,753,409,166,699/79,293,789.88
  6. Step 6: Final answer
    x = 77,203,440.76

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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.