Home / 119,120,742.73-178,132,566.16-113,309,435.40

Finding the Fourth Proportional to 119,120,742.73, 178,132,566.16 and 113,309,435.40

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Solution

The fourth proportional to 119,120,742.73, 178,132,566.16 and 113,309,435.40 is: 169,442,366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,120,742.73 : 178,132,566.16 = 113,309,435.40 : x
  2. Step 2: Convert to fraction form
    119,120,742.73/178,132,566.16 = 113,309,435.40/x
  3. Step 3: Cross multiply
    119,120,742.73x = 178,132,566.16 × 113,309,435.40
  4. Step 4: Simplify right side
    119,120,742.73x = 20,184,100,497,942,748
  5. Step 5: Solve for x
    x = 20,184,100,497,942,748/119,120,742.73
  6. Step 6: Final answer
    x = 169,442,366.08

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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.