Home / 66,741,845.28-92,056,164.72-61,252,913.76

Finding the Fourth Proportional to 66,741,845.28, 92,056,164.72 and 61,252,913.76

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Solution

The fourth proportional to 66,741,845.28, 92,056,164.72 and 61,252,913.76 is: 84,485,352.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,741,845.28 : 92,056,164.72 = 61,252,913.76 : x
  2. Step 2: Convert to fraction form
    66,741,845.28/92,056,164.72 = 61,252,913.76/x
  3. Step 3: Cross multiply
    66,741,845.28x = 92,056,164.72 × 61,252,913.76
  4. Step 4: Simplify right side
    66,741,845.28x = 5,638,708,318,670,514
  5. Step 5: Solve for x
    x = 5,638,708,318,670,514/66,741,845.28
  6. Step 6: Final answer
    x = 84,485,352.41

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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.