Home / 51,731,997.80-77,570,003.10-21,442,922.60

Finding the Fourth Proportional to 51,731,997.80, 77,570,003.10 and 21,442,922.60

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Solution

The fourth proportional to 51,731,997.80, 77,570,003.10 and 21,442,922.60 is: 32,152,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,731,997.80 : 77,570,003.10 = 21,442,922.60 : x
  2. Step 2: Convert to fraction form
    51,731,997.80/77,570,003.10 = 21,442,922.60/x
  3. Step 3: Cross multiply
    51,731,997.80x = 77,570,003.10 × 21,442,922.60
  4. Step 4: Simplify right side
    51,731,997.80x = 1,663,327,572,555,060
  5. Step 5: Solve for x
    x = 1,663,327,572,555,060/51,731,997.80
  6. Step 6: Final answer
    x = 32,152,780.55

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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.