Home / 79,120,098.10-109,150,955.06-47,740,644.51

Finding the Fourth Proportional to 79,120,098.10, 109,150,955.06 and 47,740,644.51

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Solution

The fourth proportional to 79,120,098.10, 109,150,955.06 and 47,740,644.51 is: 65,861,103.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,120,098.10 : 109,150,955.06 = 47,740,644.51 : x
  2. Step 2: Convert to fraction form
    79,120,098.10/109,150,955.06 = 47,740,644.51/x
  3. Step 3: Cross multiply
    79,120,098.10x = 109,150,955.06 × 47,740,644.51
  4. Step 4: Simplify right side
    79,120,098.10x = 5,210,936,942,798,427
  5. Step 5: Solve for x
    x = 5,210,936,942,798,427/79,120,098.10
  6. Step 6: Final answer
    x = 65,861,103.16

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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.