Home / 66,081,804,815.38-99,122,583,493.96-20,705,986,694.34

Finding the Fourth Proportional to 66,081,804,815.38, 99,122,583,493.96 and 20,705,986,694.34

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Solution

The fourth proportional to 66,081,804,815.38, 99,122,583,493.96 and 20,705,986,694.34 is: 31,058,941,272.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,081,804,815.38 : 99,122,583,493.96 = 20,705,986,694.34 : x
  2. Step 2: Convert to fraction form
    66,081,804,815.38/99,122,583,493.96 = 20,705,986,694.34/x
  3. Step 3: Cross multiply
    66,081,804,815.38x = 99,122,583,493.96 × 20,705,986,694.34
  4. Step 4: Simplify right side
    66,081,804,815.38x = 2,052,430,894,934,541,729,792
  5. Step 5: Solve for x
    x = 2,052,430,894,934,541,729,792/66,081,804,815.38
  6. Step 6: Final answer
    x = 31,058,941,272.39

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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.