Home / 133,252,718,782.06-199,912,160,376.60-66,131,465,390.38

Finding the Fourth Proportional to 133,252,718,782.06, 199,912,160,376.60 and 66,131,465,390.38

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Solution

The fourth proportional to 133,252,718,782.06, 199,912,160,376.60 and 66,131,465,390.38 is: 99,213,616,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,252,718,782.06 : 199,912,160,376.60 = 66,131,465,390.38 : x
  2. Step 2: Convert to fraction form
    133,252,718,782.06/199,912,160,376.60 = 66,131,465,390.38/x
  3. Step 3: Cross multiply
    133,252,718,782.06x = 199,912,160,376.60 × 66,131,465,390.38
  4. Step 4: Simplify right side
    133,252,718,782.06x = 13,220,484,115,061,217,951,744
  5. Step 5: Solve for x
    x = 13,220,484,115,061,217,951,744/133,252,718,782.06
  6. Step 6: Final answer
    x = 99,213,616,321.66

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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.