Home / 77,911,266.78-107,508,260.52-43,099,242.30

Finding the Fourth Proportional to 77,911,266.78, 107,508,260.52 and 43,099,242.30

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Solution

The fourth proportional to 77,911,266.78, 107,508,260.52 and 43,099,242.30 is: 59,471,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,911,266.78 : 107,508,260.52 = 43,099,242.30 : x
  2. Step 2: Convert to fraction form
    77,911,266.78/107,508,260.52 = 43,099,242.30/x
  3. Step 3: Cross multiply
    77,911,266.78x = 107,508,260.52 × 43,099,242.30
  4. Step 4: Simplify right side
    77,911,266.78x = 4,633,524,569,403,003
  5. Step 5: Solve for x
    x = 4,633,524,569,403,003/77,911,266.78
  6. Step 6: Final answer
    x = 59,471,816.60

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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.