Home / 66,930,318-92,363,840.28-37,956,942

Finding the Fourth Proportional to 66,930,318, 92,363,840.28 and 37,956,942

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Solution

The fourth proportional to 66,930,318, 92,363,840.28 and 37,956,942 is: 52,380,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,930,318 : 92,363,840.28 = 37,956,942 : x
  2. Step 2: Convert to fraction form
    66,930,318/92,363,840.28 = 37,956,942/x
  3. Step 3: Cross multiply
    66,930,318x = 92,363,840.28 × 37,956,942
  4. Step 4: Simplify right side
    66,930,318x = 3,505,848,928,405,224
  5. Step 5: Solve for x
    x = 3,505,848,928,405,224/66,930,318
  6. Step 6: Final answer
    x = 52,380,580.78

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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.