Home / 119,979,082.64-180,255,732.60-76,932,624.08

Finding the Fourth Proportional to 119,979,082.64, 180,255,732.60 and 76,932,624.08

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Solution

The fourth proportional to 119,979,082.64, 180,255,732.60 and 76,932,624.08 is: 115,583,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,979,082.64 : 180,255,732.60 = 76,932,624.08 : x
  2. Step 2: Convert to fraction form
    119,979,082.64/180,255,732.60 = 76,932,624.08/x
  3. Step 3: Cross multiply
    119,979,082.64x = 180,255,732.60 × 76,932,624.08
  4. Step 4: Simplify right side
    119,979,082.64x = 13,867,546,514,380,800
  5. Step 5: Solve for x
    x = 13,867,546,514,380,800/119,979,082.64
  6. Step 6: Final answer
    x = 115,583,035.05

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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.