Home / 410,544,249.66-615,765,016.80-134,172,343.42

Finding the Fourth Proportional to 410,544,249.66, 615,765,016.80 and 134,172,343.42

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Solution

The fourth proportional to 410,544,249.66, 615,765,016.80 and 134,172,343.42 is: 201,241,730.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,544,249.66 : 615,765,016.80 = 134,172,343.42 : x
  2. Step 2: Convert to fraction form
    410,544,249.66/615,765,016.80 = 134,172,343.42/x
  3. Step 3: Cross multiply
    410,544,249.66x = 615,765,016.80 × 134,172,343.42
  4. Step 4: Simplify right side
    410,544,249.66x = 82,618,635,300,111,664
  5. Step 5: Solve for x
    x = 82,618,635,300,111,664/410,544,249.66
  6. Step 6: Final answer
    x = 201,241,730.63

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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.