Home / 85,567,156.93-118,085,349.54-48,396,709.85

Finding the Fourth Proportional to 85,567,156.93, 118,085,349.54 and 48,396,709.85

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Solution

The fourth proportional to 85,567,156.93, 118,085,349.54 and 48,396,709.85 is: 66,788,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,567,156.93 : 118,085,349.54 = 48,396,709.85 : x
  2. Step 2: Convert to fraction form
    85,567,156.93/118,085,349.54 = 48,396,709.85/x
  3. Step 3: Cross multiply
    85,567,156.93x = 118,085,349.54 × 48,396,709.85
  4. Step 4: Simplify right side
    85,567,156.93x = 5,714,942,399,223,211
  5. Step 5: Solve for x
    x = 5,714,942,399,223,211/85,567,156.93
  6. Step 6: Final answer
    x = 66,788,971.43

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1.5x scale

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.