Home / 188,250,781.84-259,705,494.43-117,563,673.15

Finding the Fourth Proportional to 188,250,781.84, 259,705,494.43 and 117,563,673.15

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Solution

The fourth proportional to 188,250,781.84, 259,705,494.43 and 117,563,673.15 is: 162,187,543.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,250,781.84 : 259,705,494.43 = 117,563,673.15 : x
  2. Step 2: Convert to fraction form
    188,250,781.84/259,705,494.43 = 117,563,673.15/x
  3. Step 3: Cross multiply
    188,250,781.84x = 259,705,494.43 × 117,563,673.15
  4. Step 4: Simplify right side
    188,250,781.84x = 30,531,931,862,427,668
  5. Step 5: Solve for x
    x = 30,531,931,862,427,668/188,250,781.84
  6. Step 6: Final answer
    x = 162,187,543.47

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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.