Home / 199,632,621.80-299,448,932.70-97,344,007.40

Finding the Fourth Proportional to 199,632,621.80, 299,448,932.70 and 97,344,007.40

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Solution

The fourth proportional to 199,632,621.80, 299,448,932.70 and 97,344,007.40 is: 146,016,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,632,621.80 : 299,448,932.70 = 97,344,007.40 : x
  2. Step 2: Convert to fraction form
    199,632,621.80/299,448,932.70 = 97,344,007.40/x
  3. Step 3: Cross multiply
    199,632,621.80x = 299,448,932.70 × 97,344,007.40
  4. Step 4: Simplify right side
    199,632,621.80x = 29,149,559,120,670,904
  5. Step 5: Solve for x
    x = 29,149,559,120,670,904/199,632,621.80
  6. Step 6: Final answer
    x = 146,016,011.10

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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.