Home / 66,538,081.20-99,840,299.40-37,806,279.60

Finding the Fourth Proportional to 66,538,081.20, 99,840,299.40 and 37,806,279.60

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Solution

The fourth proportional to 66,538,081.20, 99,840,299.40 and 37,806,279.60 is: 56,728,270.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,538,081.20 : 99,840,299.40 = 37,806,279.60 : x
  2. Step 2: Convert to fraction form
    66,538,081.20/99,840,299.40 = 37,806,279.60/x
  3. Step 3: Cross multiply
    66,538,081.20x = 99,840,299.40 × 37,806,279.60
  4. Step 4: Simplify right side
    66,538,081.20x = 3,774,590,274,464,112.50
  5. Step 5: Solve for x
    x = 3,774,590,274,464,112.50/66,538,081.20
  6. Step 6: Final answer
    x = 56,728,270.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.