Home / 193,121,706.28-266,499,842.16-109,495,462.72

Finding the Fourth Proportional to 193,121,706.28, 266,499,842.16 and 109,495,462.72

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Solution

The fourth proportional to 193,121,706.28, 266,499,842.16 and 109,495,462.72 is: 151,099,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,121,706.28 : 266,499,842.16 = 109,495,462.72 : x
  2. Step 2: Convert to fraction form
    193,121,706.28/266,499,842.16 = 109,495,462.72/x
  3. Step 3: Cross multiply
    193,121,706.28x = 266,499,842.16 × 109,495,462.72
  4. Step 4: Simplify right side
    193,121,706.28x = 29,180,523,532,116,164
  5. Step 5: Solve for x
    x = 29,180,523,532,116,164/193,121,706.28
  6. Step 6: Final answer
    x = 151,099,138.95

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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.