Home / 137,979,307.16-206,968,960.97-56,078,997.08

Finding the Fourth Proportional to 137,979,307.16, 206,968,960.97 and 56,078,997.08

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Solution

The fourth proportional to 137,979,307.16, 206,968,960.97 and 56,078,997.08 is: 84,118,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,979,307.16 : 206,968,960.97 = 56,078,997.08 : x
  2. Step 2: Convert to fraction form
    137,979,307.16/206,968,960.97 = 56,078,997.08/x
  3. Step 3: Cross multiply
    137,979,307.16x = 206,968,960.97 × 56,078,997.08
  4. Step 4: Simplify right side
    137,979,307.16x = 11,606,611,757,606,868
  5. Step 5: Solve for x
    x = 11,606,611,757,606,868/137,979,307.16
  6. Step 6: Final answer
    x = 84,118,495.71

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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.