Home / 193,711,581.40-290,568,421.88-57,398,145.88

Finding the Fourth Proportional to 193,711,581.40, 290,568,421.88 and 57,398,145.88

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Solution

The fourth proportional to 193,711,581.40, 290,568,421.88 and 57,398,145.88 is: 86,097,529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,711,581.40 : 290,568,421.88 = 57,398,145.88 : x
  2. Step 2: Convert to fraction form
    193,711,581.40/290,568,421.88 = 57,398,145.88/x
  3. Step 3: Cross multiply
    193,711,581.40x = 290,568,421.88 × 57,398,145.88
  4. Step 4: Simplify right side
    193,711,581.40x = 16,678,088,667,189,624
  5. Step 5: Solve for x
    x = 16,678,088,667,189,624/193,711,581.40
  6. Step 6: Final answer
    x = 86,097,529.88

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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.