Home / 79,621,771.41-109,821,444.33-53,146,777.13

Finding the Fourth Proportional to 79,621,771.41, 109,821,444.33 and 53,146,777.13

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Solution

The fourth proportional to 79,621,771.41, 109,821,444.33 and 53,146,777.13 is: 73,304,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,621,771.41 : 109,821,444.33 = 53,146,777.13 : x
  2. Step 2: Convert to fraction form
    79,621,771.41/109,821,444.33 = 53,146,777.13/x
  3. Step 3: Cross multiply
    79,621,771.41x = 109,821,444.33 × 53,146,777.13
  4. Step 4: Simplify right side
    79,621,771.41x = 5,836,655,825,901,212
  5. Step 5: Solve for x
    x = 5,836,655,825,901,212/79,621,771.41
  6. Step 6: Final answer
    x = 73,304,772.33

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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.