Home / 84,197,322-126,295,987.86-20,371,914

Finding the Fourth Proportional to 84,197,322, 126,295,987.86 and 20,371,914

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Solution

The fourth proportional to 84,197,322, 126,295,987.86 and 20,371,914 is: 30,557,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,197,322 : 126,295,987.86 = 20,371,914 : x
  2. Step 2: Convert to fraction form
    84,197,322/126,295,987.86 = 20,371,914/x
  3. Step 3: Cross multiply
    84,197,322x = 126,295,987.86 × 20,371,914
  4. Step 4: Simplify right side
    84,197,322x = 2,572,891,003,228,964
  5. Step 5: Solve for x
    x = 2,572,891,003,228,964/84,197,322
  6. Step 6: Final answer
    x = 30,557,872.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.