Home / 109,729,534.55-164,573,322.98-55,126,989.86

Finding the Fourth Proportional to 109,729,534.55, 164,573,322.98 and 55,126,989.86

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Solution

The fourth proportional to 109,729,534.55, 164,573,322.98 and 55,126,989.86 is: 82,679,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,729,534.55 : 164,573,322.98 = 55,126,989.86 : x
  2. Step 2: Convert to fraction form
    109,729,534.55/164,573,322.98 = 55,126,989.86/x
  3. Step 3: Cross multiply
    109,729,534.55x = 164,573,322.98 × 55,126,989.86
  4. Step 4: Simplify right side
    109,729,534.55x = 9,072,431,906,046,462
  5. Step 5: Solve for x
    x = 9,072,431,906,046,462/109,729,534.55
  6. Step 6: Final answer
    x = 82,679,945.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.