Home / 85,972,823.15-118,611,338.92-48,781,564.61

Finding the Fourth Proportional to 85,972,823.15, 118,611,338.92 and 48,781,564.61

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Solution

The fourth proportional to 85,972,823.15, 118,611,338.92 and 48,781,564.61 is: 67,300,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,972,823.15 : 118,611,338.92 = 48,781,564.61 : x
  2. Step 2: Convert to fraction form
    85,972,823.15/118,611,338.92 = 48,781,564.61/x
  3. Step 3: Cross multiply
    85,972,823.15x = 118,611,338.92 × 48,781,564.61
  4. Step 4: Simplify right side
    85,972,823.15x = 5,786,046,692,289,577
  5. Step 5: Solve for x
    x = 5,786,046,692,289,577/85,972,823.15
  6. Step 6: Final answer
    x = 67,300,880.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.