Home / 189,094,017.72-283,558,644.18-100,443,185.40

Finding the Fourth Proportional to 189,094,017.72, 283,558,644.18 and 100,443,185.40

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Solution

The fourth proportional to 189,094,017.72, 283,558,644.18 and 100,443,185.40 is: 150,621,018.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,094,017.72 : 283,558,644.18 = 100,443,185.40 : x
  2. Step 2: Convert to fraction form
    189,094,017.72/283,558,644.18 = 100,443,185.40/x
  3. Step 3: Cross multiply
    189,094,017.72x = 283,558,644.18 × 100,443,185.40
  4. Step 4: Simplify right side
    189,094,017.72x = 28,481,533,469,144,372
  5. Step 5: Solve for x
    x = 28,481,533,469,144,372/189,094,017.72
  6. Step 6: Final answer
    x = 150,621,018.12

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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.