Home / 313,568,671.51-432,749,005.64-188,125,588.27

Finding the Fourth Proportional to 313,568,671.51, 432,749,005.64 and 188,125,588.27

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Solution

The fourth proportional to 313,568,671.51, 432,749,005.64 and 188,125,588.27 is: 259,627,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,568,671.51 : 432,749,005.64 = 188,125,588.27 : x
  2. Step 2: Convert to fraction form
    313,568,671.51/432,749,005.64 = 188,125,588.27/x
  3. Step 3: Cross multiply
    313,568,671.51x = 432,749,005.64 × 188,125,588.27
  4. Step 4: Simplify right side
    313,568,671.51x = 81,411,161,257,965,520
  5. Step 5: Solve for x
    x = 81,411,161,257,965,520/313,568,671.51
  6. Step 6: Final answer
    x = 259,627,853.98

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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.