Home / 88,731,872.31-122,428,998.82-51,540,053.76

Finding the Fourth Proportional to 88,731,872.31, 122,428,998.82 and 51,540,053.76

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Solution

The fourth proportional to 88,731,872.31, 122,428,998.82 and 51,540,053.76 is: 71,113,085.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,731,872.31 : 122,428,998.82 = 51,540,053.76 : x
  2. Step 2: Convert to fraction form
    88,731,872.31/122,428,998.82 = 51,540,053.76/x
  3. Step 3: Cross multiply
    88,731,872.31x = 122,428,998.82 × 51,540,053.76
  4. Step 4: Simplify right side
    88,731,872.31x = 6,309,997,181,030,202
  5. Step 5: Solve for x
    x = 6,309,997,181,030,202/88,731,872.31
  6. Step 6: Final answer
    x = 71,113,085.03

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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.