Home / 49,920,342.50-68,892,733.78-27,894,376.60

Finding the Fourth Proportional to 49,920,342.50, 68,892,733.78 and 27,894,376.60

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Solution

The fourth proportional to 49,920,342.50, 68,892,733.78 and 27,894,376.60 is: 38,495,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,920,342.50 : 68,892,733.78 = 27,894,376.60 : x
  2. Step 2: Convert to fraction form
    49,920,342.50/68,892,733.78 = 27,894,376.60/x
  3. Step 3: Cross multiply
    49,920,342.50x = 68,892,733.78 × 27,894,376.60
  4. Step 4: Simplify right side
    49,920,342.50x = 1,921,719,860,820,894
  5. Step 5: Solve for x
    x = 1,921,719,860,820,894/49,920,342.50
  6. Step 6: Final answer
    x = 38,495,726.68

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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.