Home / 193,711,575.40-290,568,412.86-57,398,139.88

Finding the Fourth Proportional to 193,711,575.40, 290,568,412.86 and 57,398,139.88

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Solution

The fourth proportional to 193,711,575.40, 290,568,412.86 and 57,398,139.88 is: 86,097,520.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,711,575.40 : 290,568,412.86 = 57,398,139.88 : x
  2. Step 2: Convert to fraction form
    193,711,575.40/290,568,412.86 = 57,398,139.88/x
  3. Step 3: Cross multiply
    193,711,575.40x = 290,568,412.86 × 57,398,139.88
  4. Step 4: Simplify right side
    193,711,575.40x = 16,678,086,406,047,872
  5. Step 5: Solve for x
    x = 16,678,086,406,047,872/193,711,575.40
  6. Step 6: Final answer
    x = 86,097,520.87

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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.