Home / 194,017,691.20-291,239,113.20-121,316,562.40

Finding the Fourth Proportional to 194,017,691.20, 291,239,113.20 and 121,316,562.40

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Solution

The fourth proportional to 194,017,691.20, 291,239,113.20 and 121,316,562.40 is: 182,107,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,017,691.20 : 291,239,113.20 = 121,316,562.40 : x
  2. Step 2: Convert to fraction form
    194,017,691.20/291,239,113.20 = 121,316,562.40/x
  3. Step 3: Cross multiply
    194,017,691.20x = 291,239,113.20 × 121,316,562.40
  4. Step 4: Simplify right side
    194,017,691.20x = 35,332,128,049,848,464
  5. Step 5: Solve for x
    x = 35,332,128,049,848,464/194,017,691.20
  6. Step 6: Final answer
    x = 182,107,764.66

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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.