Home / 89,442,003.20-134,163,004.80-28,857,729.20

Finding the Fourth Proportional to 89,442,003.20, 134,163,004.80 and 28,857,729.20

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Solution

The fourth proportional to 89,442,003.20, 134,163,004.80 and 28,857,729.20 is: 43,286,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,442,003.20 : 134,163,004.80 = 28,857,729.20 : x
  2. Step 2: Convert to fraction form
    89,442,003.20/134,163,004.80 = 28,857,729.20/x
  3. Step 3: Cross multiply
    89,442,003.20x = 134,163,004.80 × 28,857,729.20
  4. Step 4: Simplify right side
    89,442,003.20x = 3,871,639,661,176,700
  5. Step 5: Solve for x
    x = 3,871,639,661,176,700/89,442,003.20
  6. Step 6: Final answer
    x = 43,286,593.80

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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.