Home / 199,723,609,005.92-299,555,143,608.20-54,357,234,766.98

Finding the Fourth Proportional to 199,723,609,005.92, 299,555,143,608.20 and 54,357,234,766.98

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Solution

The fourth proportional to 199,723,609,005.92, 299,555,143,608.20 and 54,357,234,766.98 is: 81,527,613,824.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,723,609,005.92 : 299,555,143,608.20 = 54,357,234,766.98 : x
  2. Step 2: Convert to fraction form
    199,723,609,005.92/299,555,143,608.20 = 54,357,234,766.98/x
  3. Step 3: Cross multiply
    199,723,609,005.92x = 299,555,143,608.20 × 54,357,234,766.98
  4. Step 4: Simplify right side
    199,723,609,005.92x = 16,282,989,266,765,837,500,416
  5. Step 5: Solve for x
    x = 16,282,989,266,765,837,500,416/199,723,609,005.92
  6. Step 6: Final answer
    x = 81,527,613,824.98

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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.