Home / 255,085,404.49-352,016,994.94-143,576,180.70

Finding the Fourth Proportional to 255,085,404.49, 352,016,994.94 and 143,576,180.70

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Solution

The fourth proportional to 255,085,404.49, 352,016,994.94 and 143,576,180.70 is: 198,134,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,085,404.49 : 352,016,994.94 = 143,576,180.70 : x
  2. Step 2: Convert to fraction form
    255,085,404.49/352,016,994.94 = 143,576,180.70/x
  3. Step 3: Cross multiply
    255,085,404.49x = 352,016,994.94 × 143,576,180.70
  4. Step 4: Simplify right side
    255,085,404.49x = 50,541,255,674,976,424
  5. Step 5: Solve for x
    x = 50,541,255,674,976,424/255,085,404.49
  6. Step 6: Final answer
    x = 198,134,643.48

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1.5x scale

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.