Home / 189,705,774.24-261,794,143.20-102,785,646.24

Finding the Fourth Proportional to 189,705,774.24, 261,794,143.20 and 102,785,646.24

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Solution

The fourth proportional to 189,705,774.24, 261,794,143.20 and 102,785,646.24 is: 141,844,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,705,774.24 : 261,794,143.20 = 102,785,646.24 : x
  2. Step 2: Convert to fraction form
    189,705,774.24/261,794,143.20 = 102,785,646.24/x
  3. Step 3: Cross multiply
    189,705,774.24x = 261,794,143.20 × 102,785,646.24
  4. Step 4: Simplify right side
    189,705,774.24x = 26,908,680,190,659,100
  5. Step 5: Solve for x
    x = 26,908,680,190,659,100/189,705,774.24
  6. Step 6: Final answer
    x = 141,844,286.49

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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.