Home / 245,857,995.20-368,805,655.20-73,321,342.40

Finding the Fourth Proportional to 245,857,995.20, 368,805,655.20 and 73,321,342.40

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Solution

The fourth proportional to 245,857,995.20, 368,805,655.20 and 73,321,342.40 is: 109,987,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,857,995.20 : 368,805,655.20 = 73,321,342.40 : x
  2. Step 2: Convert to fraction form
    245,857,995.20/368,805,655.20 = 73,321,342.40/x
  3. Step 3: Cross multiply
    245,857,995.20x = 368,805,655.20 × 73,321,342.40
  4. Step 4: Simplify right side
    245,857,995.20x = 27,041,325,723,975,540
  5. Step 5: Solve for x
    x = 27,041,325,723,975,540/245,857,995.20
  6. Step 6: Final answer
    x = 109,987,579.22

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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.