Home / 320,756,808.78-442,644,395.73-174,079,092.78

Finding the Fourth Proportional to 320,756,808.78, 442,644,395.73 and 174,079,092.78

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Solution

The fourth proportional to 320,756,808.78, 442,644,395.73 and 174,079,092.78 is: 240,229,147.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,756,808.78 : 442,644,395.73 = 174,079,092.78 : x
  2. Step 2: Convert to fraction form
    320,756,808.78/442,644,395.73 = 174,079,092.78/x
  3. Step 3: Cross multiply
    320,756,808.78x = 442,644,395.73 × 174,079,092.78
  4. Step 4: Simplify right side
    320,756,808.78x = 77,055,134,832,829,712
  5. Step 5: Solve for x
    x = 77,055,134,832,829,712/320,756,808.78
  6. Step 6: Final answer
    x = 240,229,147.83

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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.