Home / 137,858,503,208.72-206,363,631,252.64-89,948,350,568.80

Finding the Fourth Proportional to 137,858,503,208.72, 206,363,631,252.64 and 89,948,350,568.80

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Solution

The fourth proportional to 137,858,503,208.72, 206,363,631,252.64 and 89,948,350,568.80 is: 134,645,798,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,858,503,208.72 : 206,363,631,252.64 = 89,948,350,568.80 : x
  2. Step 2: Convert to fraction form
    137,858,503,208.72/206,363,631,252.64 = 89,948,350,568.80/x
  3. Step 3: Cross multiply
    137,858,503,208.72x = 206,363,631,252.64 × 89,948,350,568.80
  4. Step 4: Simplify right side
    137,858,503,208.72x = 18,562,068,248,563,036,454,912
  5. Step 5: Solve for x
    x = 18,562,068,248,563,036,454,912/137,858,503,208.72
  6. Step 6: Final answer
    x = 134,645,798,529.09

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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.