Home / 65,246,981.60-90,046,571.84-35,883,489.12

Finding the Fourth Proportional to 65,246,981.60, 90,046,571.84 and 35,883,489.12

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Solution

The fourth proportional to 65,246,981.60, 90,046,571.84 and 35,883,489.12 is: 49,522,370.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,246,981.60 : 90,046,571.84 = 35,883,489.12 : x
  2. Step 2: Convert to fraction form
    65,246,981.60/90,046,571.84 = 35,883,489.12/x
  3. Step 3: Cross multiply
    65,246,981.60x = 90,046,571.84 × 35,883,489.12
  4. Step 4: Simplify right side
    65,246,981.60x = 3,231,185,180,913,938.50
  5. Step 5: Solve for x
    x = 3,231,185,180,913,938.50/65,246,981.60
  6. Step 6: Final answer
    x = 49,522,370.26

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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.