Home / 66,135,830.27-91,311,982.22-59,144,817.47

Finding the Fourth Proportional to 66,135,830.27, 91,311,982.22 and 59,144,817.47

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Solution

The fourth proportional to 66,135,830.27, 91,311,982.22 and 59,144,817.47 is: 81,659,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,135,830.27 : 91,311,982.22 = 59,144,817.47 : x
  2. Step 2: Convert to fraction form
    66,135,830.27/91,311,982.22 = 59,144,817.47/x
  3. Step 3: Cross multiply
    66,135,830.27x = 91,311,982.22 × 59,144,817.47
  4. Step 4: Simplify right side
    66,135,830.27x = 5,400,630,520,917,088
  5. Step 5: Solve for x
    x = 5,400,630,520,917,088/66,135,830.27
  6. Step 6: Final answer
    x = 81,659,676.75

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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.