Home / 85,630,486.50-118,170,132.93-46,472,253.12

Finding the Fourth Proportional to 85,630,486.50, 118,170,132.93 and 46,472,253.12

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Solution

The fourth proportional to 85,630,486.50, 118,170,132.93 and 46,472,253.12 is: 64,131,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,630,486.50 : 118,170,132.93 = 46,472,253.12 : x
  2. Step 2: Convert to fraction form
    85,630,486.50/118,170,132.93 = 46,472,253.12/x
  3. Step 3: Cross multiply
    85,630,486.50x = 118,170,132.93 × 46,472,253.12
  4. Step 4: Simplify right side
    85,630,486.50x = 5,491,632,328,747,007
  5. Step 5: Solve for x
    x = 5,491,632,328,747,007/85,630,486.50
  6. Step 6: Final answer
    x = 64,131,742.71

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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.