Home / 138,672,836,312.49-207,943,691,920.96-53,722,428,244.11

Finding the Fourth Proportional to 138,672,836,312.49, 207,943,691,920.96 and 53,722,428,244.11

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Solution

The fourth proportional to 138,672,836,312.49, 207,943,691,920.96 and 53,722,428,244.11 is: 80,558,243,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,672,836,312.49 : 207,943,691,920.96 = 53,722,428,244.11 : x
  2. Step 2: Convert to fraction form
    138,672,836,312.49/207,943,691,920.96 = 53,722,428,244.11/x
  3. Step 3: Cross multiply
    138,672,836,312.49x = 207,943,691,920.96 × 53,722,428,244.11
  4. Step 4: Simplify right side
    138,672,836,312.49x = 11,171,240,068,039,089,061,888
  5. Step 5: Solve for x
    x = 11,171,240,068,039,089,061,888/138,672,836,312.49
  6. Step 6: Final answer
    x = 80,558,243,164.98

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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.