Home / 30,647,809.36-45,971,713.56-29,115,290.80

Finding the Fourth Proportional to 30,647,809.36, 45,971,713.56 and 29,115,290.80

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Solution

The fourth proportional to 30,647,809.36, 45,971,713.56 and 29,115,290.80 is: 43,672,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,647,809.36 : 45,971,713.56 = 29,115,290.80 : x
  2. Step 2: Convert to fraction form
    30,647,809.36/45,971,713.56 = 29,115,290.80/x
  3. Step 3: Cross multiply
    30,647,809.36x = 45,971,713.56 × 29,115,290.80
  4. Step 4: Simplify right side
    30,647,809.36x = 1,338,479,808,873,703.25
  5. Step 5: Solve for x
    x = 1,338,479,808,873,703.25/30,647,809.36
  6. Step 6: Final answer
    x = 43,672,935.74

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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.