Home / 193,121,701.28-266,499,835.26-109,495,457.72

Finding the Fourth Proportional to 193,121,701.28, 266,499,835.26 and 109,495,457.72

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Solution

The fourth proportional to 193,121,701.28, 266,499,835.26 and 109,495,457.72 is: 151,099,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,121,701.28 : 266,499,835.26 = 109,495,457.72 : x
  2. Step 2: Convert to fraction form
    193,121,701.28/266,499,835.26 = 109,495,457.72/x
  3. Step 3: Cross multiply
    193,121,701.28x = 266,499,835.26 × 109,495,457.72
  4. Step 4: Simplify right side
    193,121,701.28x = 29,180,521,444,098,292
  5. Step 5: Solve for x
    x = 29,180,521,444,098,292/193,121,701.28
  6. Step 6: Final answer
    x = 151,099,132.05

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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.