Home / 87,641,840.25-120,949,300.71-48,482,941.86

Finding the Fourth Proportional to 87,641,840.25, 120,949,300.71 and 48,482,941.86

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Solution

The fourth proportional to 87,641,840.25, 120,949,300.71 and 48,482,941.86 is: 66,908,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,641,840.25 : 120,949,300.71 = 48,482,941.86 : x
  2. Step 2: Convert to fraction form
    87,641,840.25/120,949,300.71 = 48,482,941.86/x
  3. Step 3: Cross multiply
    87,641,840.25x = 120,949,300.71 × 48,482,941.86
  4. Step 4: Simplify right side
    87,641,840.25x = 5,863,977,914,330,586
  5. Step 5: Solve for x
    x = 5,863,977,914,330,586/87,641,840.25
  6. Step 6: Final answer
    x = 66,908,429.78

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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.