Home / 79,480,266.92-109,683,743.46-48,117,889.88

Finding the Fourth Proportional to 79,480,266.92, 109,683,743.46 and 48,117,889.88

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Solution

The fourth proportional to 79,480,266.92, 109,683,743.46 and 48,117,889.88 is: 66,403,278.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,480,266.92 : 109,683,743.46 = 48,117,889.88 : x
  2. Step 2: Convert to fraction form
    79,480,266.92/109,683,743.46 = 48,117,889.88/x
  3. Step 3: Cross multiply
    79,480,266.92x = 109,683,743.46 × 48,117,889.88
  4. Step 4: Simplify right side
    79,480,266.92x = 5,277,750,289,434,450
  5. Step 5: Solve for x
    x = 5,277,750,289,434,450/79,480,266.92
  6. Step 6: Final answer
    x = 66,403,278.37

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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.