Home / 136,531,492.77-188,464,696.11-89,491,596.87

Finding the Fourth Proportional to 136,531,492.77, 188,464,696.11 and 89,491,596.87

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Solution

The fourth proportional to 136,531,492.77, 188,464,696.11 and 89,491,596.87 is: 123,531,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,531,492.77 : 188,464,696.11 = 89,491,596.87 : x
  2. Step 2: Convert to fraction form
    136,531,492.77/188,464,696.11 = 89,491,596.87/x
  3. Step 3: Cross multiply
    136,531,492.77x = 188,464,696.11 × 89,491,596.87
  4. Step 4: Simplify right side
    136,531,492.77x = 16,866,006,608,503,180
  5. Step 5: Solve for x
    x = 16,866,006,608,503,180/136,531,492.77
  6. Step 6: Final answer
    x = 123,531,987.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.