Home / 193,342,046.40-290,013,069.60-107,345,707.20

Finding the Fourth Proportional to 193,342,046.40, 290,013,069.60 and 107,345,707.20

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Solution

The fourth proportional to 193,342,046.40, 290,013,069.60 and 107,345,707.20 is: 161,018,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,342,046.40 : 290,013,069.60 = 107,345,707.20 : x
  2. Step 2: Convert to fraction form
    193,342,046.40/290,013,069.60 = 107,345,707.20/x
  3. Step 3: Cross multiply
    193,342,046.40x = 290,013,069.60 × 107,345,707.20
  4. Step 4: Simplify right side
    193,342,046.40x = 31,131,658,053,454,824
  5. Step 5: Solve for x
    x = 31,131,658,053,454,824/193,342,046.40
  6. Step 6: Final answer
    x = 161,018,560.80

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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.