Home / 143,303,434.20-214,636,286.70-117,794,266.20

Finding the Fourth Proportional to 143,303,434.20, 214,636,286.70 and 117,794,266.20

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Solution

The fourth proportional to 143,303,434.20, 214,636,286.70 and 117,794,266.20 is: 176,429,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,303,434.20 : 214,636,286.70 = 117,794,266.20 : x
  2. Step 2: Convert to fraction form
    143,303,434.20/214,636,286.70 = 117,794,266.20/x
  3. Step 3: Cross multiply
    143,303,434.20x = 214,636,286.70 × 117,794,266.20
  4. Step 4: Simplify right side
    143,303,434.20x = 25,282,923,891,719,320
  5. Step 5: Solve for x
    x = 25,282,923,891,719,320/143,303,434.20
  6. Step 6: Final answer
    x = 176,429,295.17

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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.