Home / 342,161,713.22-472,192,448.79-193,505,064.29

Finding the Fourth Proportional to 342,161,713.22, 472,192,448.79 and 193,505,064.29

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Solution

The fourth proportional to 342,161,713.22, 472,192,448.79 and 193,505,064.29 is: 267,042,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,161,713.22 : 472,192,448.79 = 193,505,064.29 : x
  2. Step 2: Convert to fraction form
    342,161,713.22/472,192,448.79 = 193,505,064.29/x
  3. Step 3: Cross multiply
    342,161,713.22x = 472,192,448.79 × 193,505,064.29
  4. Step 4: Simplify right side
    342,161,713.22x = 91,371,630,158,000,528
  5. Step 5: Solve for x
    x = 91,371,630,158,000,528/342,161,713.22
  6. Step 6: Final answer
    x = 267,042,239.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.