Home / 70,220,771.66-96,904,824.32-38,861,102.55

Finding the Fourth Proportional to 70,220,771.66, 96,904,824.32 and 38,861,102.55

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Solution

The fourth proportional to 70,220,771.66, 96,904,824.32 and 38,861,102.55 is: 53,628,409.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,220,771.66 : 96,904,824.32 = 38,861,102.55 : x
  2. Step 2: Convert to fraction form
    70,220,771.66/96,904,824.32 = 38,861,102.55/x
  3. Step 3: Cross multiply
    70,220,771.66x = 96,904,824.32 × 38,861,102.55
  4. Step 4: Simplify right side
    70,220,771.66x = 3,765,828,315,489,253.50
  5. Step 5: Solve for x
    x = 3,765,828,315,489,253.50/70,220,771.66
  6. Step 6: Final answer
    x = 53,628,409.75

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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.