Home / 194,017,819.20-291,239,305.20-121,316,690.40

Finding the Fourth Proportional to 194,017,819.20, 291,239,305.20 and 121,316,690.40

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Solution

The fourth proportional to 194,017,819.20, 291,239,305.20 and 121,316,690.40 is: 182,107,956.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,017,819.20 : 291,239,305.20 = 121,316,690.40 : x
  2. Step 2: Convert to fraction form
    194,017,819.20/291,239,305.20 = 121,316,690.40/x
  3. Step 3: Cross multiply
    194,017,819.20x = 291,239,305.20 × 121,316,690.40
  4. Step 4: Simplify right side
    194,017,819.20x = 35,332,188,621,259,512
  5. Step 5: Solve for x
    x = 35,332,188,621,259,512/194,017,819.20
  6. Step 6: Final answer
    x = 182,107,956.72

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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.