Home / 193,121,695.28-266,499,826.98-109,495,451.72

Finding the Fourth Proportional to 193,121,695.28, 266,499,826.98 and 109,495,451.72

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Solution

The fourth proportional to 193,121,695.28, 266,499,826.98 and 109,495,451.72 is: 151,099,123.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,121,695.28 : 266,499,826.98 = 109,495,451.72 : x
  2. Step 2: Convert to fraction form
    193,121,695.28/266,499,826.98 = 109,495,451.72/x
  3. Step 3: Cross multiply
    193,121,695.28x = 266,499,826.98 × 109,495,451.72
  4. Step 4: Simplify right side
    193,121,695.28x = 29,180,518,938,476,940
  5. Step 5: Solve for x
    x = 29,180,518,938,476,940/193,121,695.28
  6. Step 6: Final answer
    x = 151,099,123.77

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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.