Home / 51,418,602.56-77,127,010.52-20,712,396.90

Finding the Fourth Proportional to 51,418,602.56, 77,127,010.52 and 20,712,396.90

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Solution

The fourth proportional to 51,418,602.56, 77,127,010.52 and 20,712,396.90 is: 31,068,235.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,418,602.56 : 77,127,010.52 = 20,712,396.90 : x
  2. Step 2: Convert to fraction form
    51,418,602.56/77,127,010.52 = 20,712,396.90/x
  3. Step 3: Cross multiply
    51,418,602.56x = 77,127,010.52 × 20,712,396.90
  4. Step 4: Simplify right side
    51,418,602.56x = 1,597,485,253,786,379.50
  5. Step 5: Solve for x
    x = 1,597,485,253,786,379.50/51,418,602.56
  6. Step 6: Final answer
    x = 31,068,235.51

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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.