Home / 119,555,154.40-164,981,015.52-66,629,045.80

Finding the Fourth Proportional to 119,555,154.40, 164,981,015.52 and 66,629,045.80

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Solution

The fourth proportional to 119,555,154.40, 164,981,015.52 and 66,629,045.80 is: 91,945,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,555,154.40 : 164,981,015.52 = 66,629,045.80 : x
  2. Step 2: Convert to fraction form
    119,555,154.40/164,981,015.52 = 66,629,045.80/x
  3. Step 3: Cross multiply
    119,555,154.40x = 164,981,015.52 × 66,629,045.80
  4. Step 4: Simplify right side
    119,555,154.40x = 10,992,527,639,212,592
  5. Step 5: Solve for x
    x = 10,992,527,639,212,592/119,555,154.40
  6. Step 6: Final answer
    x = 91,945,242.30

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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.