Home / 177,644,067.40-266,913,998.70-112,978,851.40

Finding the Fourth Proportional to 177,644,067.40, 266,913,998.70 and 112,978,851.40

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Solution

The fourth proportional to 177,644,067.40, 266,913,998.70 and 112,978,851.40 is: 169,753,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,644,067.40 : 266,913,998.70 = 112,978,851.40 : x
  2. Step 2: Convert to fraction form
    177,644,067.40/266,913,998.70 = 112,978,851.40/x
  3. Step 3: Cross multiply
    177,644,067.40x = 266,913,998.70 × 112,978,851.40
  4. Step 4: Simplify right side
    177,644,067.40x = 30,155,636,995,707,092
  5. Step 5: Solve for x
    x = 30,155,636,995,707,092/177,644,067.40
  6. Step 6: Final answer
    x = 169,753,132.98

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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.