Home / 42,126,625.80-63,189,938.70-27,777,718.80

Finding the Fourth Proportional to 42,126,625.80, 63,189,938.70 and 27,777,718.80

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Solution

The fourth proportional to 42,126,625.80, 63,189,938.70 and 27,777,718.80 is: 41,666,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,126,625.80 : 63,189,938.70 = 27,777,718.80 : x
  2. Step 2: Convert to fraction form
    42,126,625.80/63,189,938.70 = 27,777,718.80/x
  3. Step 3: Cross multiply
    42,126,625.80x = 63,189,938.70 × 27,777,718.80
  4. Step 4: Simplify right side
    42,126,625.80x = 1,755,272,348,197,837.75
  5. Step 5: Solve for x
    x = 1,755,272,348,197,837.75/42,126,625.80
  6. Step 6: Final answer
    x = 41,666,578.20

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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.