Home / 90,227,855.49-124,511,218.92-51,068,791.48

Finding the Fourth Proportional to 90,227,855.49, 124,511,218.92 and 51,068,791.48

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Solution

The fourth proportional to 90,227,855.49, 124,511,218.92 and 51,068,791.48 is: 70,473,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227,855.49 : 124,511,218.92 = 51,068,791.48 : x
  2. Step 2: Convert to fraction form
    90,227,855.49/124,511,218.92 = 51,068,791.48/x
  3. Step 3: Cross multiply
    90,227,855.49x = 124,511,218.92 × 51,068,791.48
  4. Step 4: Simplify right side
    90,227,855.49x = 6,358,637,475,946,110
  5. Step 5: Solve for x
    x = 6,358,637,475,946,110/90,227,855.49
  6. Step 6: Final answer
    x = 70,473,108.80

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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.