Home / 193,743,249.59-290,450,275.29-90,172,599.39

Finding the Fourth Proportional to 193,743,249.59, 290,450,275.29 and 90,172,599.39

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Solution

The fourth proportional to 193,743,249.59, 290,450,275.29 and 90,172,599.39 is: 135,182,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,743,249.59 : 290,450,275.29 = 90,172,599.39 : x
  2. Step 2: Convert to fraction form
    193,743,249.59/290,450,275.29 = 90,172,599.39/x
  3. Step 3: Cross multiply
    193,743,249.59x = 290,450,275.29 × 90,172,599.39
  4. Step 4: Simplify right side
    193,743,249.59x = 26,190,656,316,440,388
  5. Step 5: Solve for x
    x = 26,190,656,316,440,388/193,743,249.59
  6. Step 6: Final answer
    x = 135,182,290.85

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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.