Home / 255,330,623.21-352,377,971.67-143,843,355.59

Finding the Fourth Proportional to 255,330,623.21, 352,377,971.67 and 143,843,355.59

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Solution

The fourth proportional to 255,330,623.21, 352,377,971.67 and 143,843,355.59 is: 198,516,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,330,623.21 : 352,377,971.67 = 143,843,355.59 : x
  2. Step 2: Convert to fraction form
    255,330,623.21/352,377,971.67 = 143,843,355.59/x
  3. Step 3: Cross multiply
    255,330,623.21x = 352,377,971.67 × 143,843,355.59
  4. Step 4: Simplify right side
    255,330,623.21x = 50,687,229,879,248,872
  5. Step 5: Solve for x
    x = 50,687,229,879,248,872/255,330,623.21
  6. Step 6: Final answer
    x = 198,516,062.21

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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.