Home / 79,145,939.03-109,221,406.25-43,866,021.87

Finding the Fourth Proportional to 79,145,939.03, 109,221,406.25 and 43,866,021.87

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Solution

The fourth proportional to 79,145,939.03, 109,221,406.25 and 43,866,021.87 is: 60,535,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,145,939.03 : 109,221,406.25 = 43,866,021.87 : x
  2. Step 2: Convert to fraction form
    79,145,939.03/109,221,406.25 = 43,866,021.87/x
  3. Step 3: Cross multiply
    79,145,939.03x = 109,221,406.25 × 43,866,021.87
  4. Step 4: Simplify right side
    79,145,939.03x = 4,791,108,595,015,324
  5. Step 5: Solve for x
    x = 4,791,108,595,015,324/79,145,939.03
  6. Step 6: Final answer
    x = 60,535,115.94

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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.