Home / 85,972,824.15-118,611,340.30-48,781,565.61

Finding the Fourth Proportional to 85,972,824.15, 118,611,340.30 and 48,781,565.61

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Solution

The fourth proportional to 85,972,824.15, 118,611,340.30 and 48,781,565.61 is: 67,300,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,972,824.15 : 118,611,340.30 = 48,781,565.61 : x
  2. Step 2: Convert to fraction form
    85,972,824.15/118,611,340.30 = 48,781,565.61/x
  3. Step 3: Cross multiply
    85,972,824.15x = 118,611,340.30 × 48,781,565.61
  4. Step 4: Simplify right side
    85,972,824.15x = 5,786,046,878,934,487
  5. Step 5: Solve for x
    x = 5,786,046,878,934,487/85,972,824.15
  6. Step 6: Final answer
    x = 67,300,881.83

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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.