Home / 55,925,897.22-77,180,132.61-31,146,083.97

Finding the Fourth Proportional to 55,925,897.22, 77,180,132.61 and 31,146,083.97

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Solution

The fourth proportional to 55,925,897.22, 77,180,132.61 and 31,146,083.97 is: 42,982,929.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,925,897.22 : 77,180,132.61 = 31,146,083.97 : x
  2. Step 2: Convert to fraction form
    55,925,897.22/77,180,132.61 = 31,146,083.97/x
  3. Step 3: Cross multiply
    55,925,897.22x = 77,180,132.61 × 31,146,083.97
  4. Step 4: Simplify right side
    55,925,897.22x = 2,403,858,891,086,795
  5. Step 5: Solve for x
    x = 2,403,858,891,086,795/55,925,897.22
  6. Step 6: Final answer
    x = 42,982,929.39

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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.