Home / 85,704,687.20-118,280,180.52-48,544,005.74

Finding the Fourth Proportional to 85,704,687.20, 118,280,180.52 and 48,544,005.74

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Solution

The fourth proportional to 85,704,687.20, 118,280,180.52 and 48,544,005.74 is: 66,995,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,704,687.20 : 118,280,180.52 = 48,544,005.74 : x
  2. Step 2: Convert to fraction form
    85,704,687.20/118,280,180.52 = 48,544,005.74/x
  3. Step 3: Cross multiply
    85,704,687.20x = 118,280,180.52 × 48,544,005.74
  4. Step 4: Simplify right side
    85,704,687.20x = 5,741,793,762,091,116
  5. Step 5: Solve for x
    x = 5,741,793,762,091,116/85,704,687.20
  6. Step 6: Final answer
    x = 66,995,096.18

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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.