Home / 81,492,912.25-112,476,194.27-46,708,916.65

Finding the Fourth Proportional to 81,492,912.25, 112,476,194.27 and 46,708,916.65

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Solution

The fourth proportional to 81,492,912.25, 112,476,194.27 and 46,708,916.65 is: 64,467,461.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,492,912.25 : 112,476,194.27 = 46,708,916.65 : x
  2. Step 2: Convert to fraction form
    81,492,912.25/112,476,194.27 = 46,708,916.65/x
  3. Step 3: Cross multiply
    81,492,912.25x = 112,476,194.27 × 46,708,916.65
  4. Step 4: Simplify right side
    81,492,912.25x = 5,253,641,183,033,093
  5. Step 5: Solve for x
    x = 5,253,641,183,033,093/81,492,912.25
  6. Step 6: Final answer
    x = 64,467,461.50

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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.