Home / 68,445,570-94,454,886.60-39,472,194

Finding the Fourth Proportional to 68,445,570, 94,454,886.60 and 39,472,194

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Solution

The fourth proportional to 68,445,570, 94,454,886.60 and 39,472,194 is: 54,471,627.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,445,570 : 94,454,886.60 = 39,472,194 : x
  2. Step 2: Convert to fraction form
    68,445,570/94,454,886.60 = 39,472,194/x
  3. Step 3: Cross multiply
    68,445,570x = 94,454,886.60 × 39,472,194
  4. Step 4: Simplify right side
    68,445,570x = 3,728,341,608,123,200
  5. Step 5: Solve for x
    x = 3,728,341,608,123,200/68,445,570
  6. Step 6: Final answer
    x = 54,471,627.72

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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.