Home / 199,478,190.42-298,957,747.48-81,165,069.81

Finding the Fourth Proportional to 199,478,190.42, 298,957,747.48 and 81,165,069.81

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Solution

The fourth proportional to 199,478,190.42, 298,957,747.48 and 81,165,069.81 is: 121,642,002.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,478,190.42 : 298,957,747.48 = 81,165,069.81 : x
  2. Step 2: Convert to fraction form
    199,478,190.42/298,957,747.48 = 81,165,069.81/x
  3. Step 3: Cross multiply
    199,478,190.42x = 298,957,747.48 × 81,165,069.81
  4. Step 4: Simplify right side
    199,478,190.42x = 24,264,926,444,251,640
  5. Step 5: Solve for x
    x = 24,264,926,444,251,640/199,478,190.42
  6. Step 6: Final answer
    x = 121,642,002.03

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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.