Home / 85,520,760.45-118,014,104.08-48,348,818.29

Finding the Fourth Proportional to 85,520,760.45, 118,014,104.08 and 48,348,818.29

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Solution

The fourth proportional to 85,520,760.45, 118,014,104.08 and 48,348,818.29 is: 66,718,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,520,760.45 : 118,014,104.08 = 48,348,818.29 : x
  2. Step 2: Convert to fraction form
    85,520,760.45/118,014,104.08 = 48,348,818.29/x
  3. Step 3: Cross multiply
    85,520,760.45x = 118,014,104.08 × 48,348,818.29
  4. Step 4: Simplify right side
    85,520,760.45x = 5,705,842,473,230,997
  5. Step 5: Solve for x
    x = 5,705,842,473,230,997/85,520,760.45
  6. Step 6: Final answer
    x = 66,718,799.54

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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.