Home / 85,703,683.87-118,278,377.90-48,540,575.16

Finding the Fourth Proportional to 85,703,683.87, 118,278,377.90 and 48,540,575.16

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Solution

The fourth proportional to 85,703,683.87, 118,278,377.90 and 48,540,575.16 is: 66,990,124.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,703,683.87 : 118,278,377.90 = 48,540,575.16 : x
  2. Step 2: Convert to fraction form
    85,703,683.87/118,278,377.90 = 48,540,575.16/x
  3. Step 3: Cross multiply
    85,703,683.87x = 118,278,377.90 × 48,540,575.16
  4. Step 4: Simplify right side
    85,703,683.87x = 5,741,300,492,257,833
  5. Step 5: Solve for x
    x = 5,741,300,492,257,833/85,703,683.87
  6. Step 6: Final answer
    x = 66,990,124.96

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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.