Home / 293,147,769.60-439,707,657.60-99,040,147.20

Finding the Fourth Proportional to 293,147,769.60, 439,707,657.60 and 99,040,147.20

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Solution

The fourth proportional to 293,147,769.60, 439,707,657.60 and 99,040,147.20 is: 148,555,491.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,147,769.60 : 439,707,657.60 = 99,040,147.20 : x
  2. Step 2: Convert to fraction form
    293,147,769.60/439,707,657.60 = 99,040,147.20/x
  3. Step 3: Cross multiply
    293,147,769.60x = 439,707,657.60 × 99,040,147.20
  4. Step 4: Simplify right side
    293,147,769.60x = 43,548,711,133,671,200
  5. Step 5: Solve for x
    x = 43,548,711,133,671,200/293,147,769.60
  6. Step 6: Final answer
    x = 148,555,491.97

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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.