Home / 66,138,840.41-91,261,586.52-37,876,818.96

Finding the Fourth Proportional to 66,138,840.41, 91,261,586.52 and 37,876,818.96

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Solution

The fourth proportional to 66,138,840.41, 91,261,586.52 and 37,876,818.96 is: 52,264,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,138,840.41 : 91,261,586.52 = 37,876,818.96 : x
  2. Step 2: Convert to fraction form
    66,138,840.41/91,261,586.52 = 37,876,818.96/x
  3. Step 3: Cross multiply
    66,138,840.41x = 91,261,586.52 × 37,876,818.96
  4. Step 4: Simplify right side
    66,138,840.41x = 3,456,698,590,620,416.50
  5. Step 5: Solve for x
    x = 3,456,698,590,620,416.50/66,138,840.41
  6. Step 6: Final answer
    x = 52,264,275.72

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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.