Home / 256,079,146.61-353,397,787.58-156,940,736.90

Finding the Fourth Proportional to 256,079,146.61, 353,397,787.58 and 156,940,736.90

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Solution

The fourth proportional to 256,079,146.61, 353,397,787.58 and 156,940,736.90 is: 216,583,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,079,146.61 : 353,397,787.58 = 156,940,736.90 : x
  2. Step 2: Convert to fraction form
    256,079,146.61/353,397,787.58 = 156,940,736.90/x
  3. Step 3: Cross multiply
    256,079,146.61x = 353,397,787.58 × 156,940,736.90
  4. Step 4: Simplify right side
    256,079,146.61x = 55,462,509,200,850,168
  5. Step 5: Solve for x
    x = 55,462,509,200,850,168/256,079,146.61
  6. Step 6: Final answer
    x = 216,583,466.23

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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.