Home / 120,744,214.29-166,730,582.52-116,839,742.76

Finding the Fourth Proportional to 120,744,214.29, 166,730,582.52 and 116,839,742.76

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Solution

The fourth proportional to 120,744,214.29, 166,730,582.52 and 116,839,742.76 is: 161,339,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,744,214.29 : 166,730,582.52 = 116,839,742.76 : x
  2. Step 2: Convert to fraction form
    120,744,214.29/166,730,582.52 = 116,839,742.76/x
  3. Step 3: Cross multiply
    120,744,214.29x = 166,730,582.52 × 116,839,742.76
  4. Step 4: Simplify right side
    120,744,214.29x = 19,480,758,371,861,756
  5. Step 5: Solve for x
    x = 19,480,758,371,861,756/120,744,214.29
  6. Step 6: Final answer
    x = 161,339,062.80

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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.