Home / 220,056,959.70-330,085,439.55-143,529,455.70

Finding the Fourth Proportional to 220,056,959.70, 330,085,439.55 and 143,529,455.70

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Solution

The fourth proportional to 220,056,959.70, 330,085,439.55 and 143,529,455.70 is: 215,294,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,056,959.70 : 330,085,439.55 = 143,529,455.70 : x
  2. Step 2: Convert to fraction form
    220,056,959.70/330,085,439.55 = 143,529,455.70/x
  3. Step 3: Cross multiply
    220,056,959.70x = 330,085,439.55 × 143,529,455.70
  4. Step 4: Simplify right side
    220,056,959.70x = 47,376,983,473,106,752
  5. Step 5: Solve for x
    x = 47,376,983,473,106,752/220,056,959.70
  6. Step 6: Final answer
    x = 215,294,183.55

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1.5x scale

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.