Home / 76,020,331.78-104,908,879.94-44,659,702.61

Finding the Fourth Proportional to 76,020,331.78, 104,908,879.94 and 44,659,702.61

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Solution

The fourth proportional to 76,020,331.78, 104,908,879.94 and 44,659,702.61 is: 61,630,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,020,331.78 : 104,908,879.94 = 44,659,702.61 : x
  2. Step 2: Convert to fraction form
    76,020,331.78/104,908,879.94 = 44,659,702.61/x
  3. Step 3: Cross multiply
    76,020,331.78x = 104,908,879.94 × 44,659,702.61
  4. Step 4: Simplify right side
    76,020,331.78x = 4,685,199,379,759,609
  5. Step 5: Solve for x
    x = 4,685,199,379,759,609/76,020,331.78
  6. Step 6: Final answer
    x = 61,630,872.56

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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.