Home / 91,405,778.61-126,140,214.05-49,589,841.77

Finding the Fourth Proportional to 91,405,778.61, 126,140,214.05 and 49,589,841.77

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Solution

The fourth proportional to 91,405,778.61, 126,140,214.05 and 49,589,841.77 is: 68,434,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,405,778.61 : 126,140,214.05 = 49,589,841.77 : x
  2. Step 2: Convert to fraction form
    91,405,778.61/126,140,214.05 = 49,589,841.77/x
  3. Step 3: Cross multiply
    91,405,778.61x = 126,140,214.05 × 49,589,841.77
  4. Step 4: Simplify right side
    91,405,778.61x = 6,255,273,255,573,431
  5. Step 5: Solve for x
    x = 6,255,273,255,573,431/91,405,778.61
  6. Step 6: Final answer
    x = 68,434,111.61

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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.