Home / 262,942,393.80-394,413,590.70-160,905,721.80

Finding the Fourth Proportional to 262,942,393.80, 394,413,590.70 and 160,905,721.80

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Solution

The fourth proportional to 262,942,393.80, 394,413,590.70 and 160,905,721.80 is: 241,358,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,942,393.80 : 394,413,590.70 = 160,905,721.80 : x
  2. Step 2: Convert to fraction form
    262,942,393.80/394,413,590.70 = 160,905,721.80/x
  3. Step 3: Cross multiply
    262,942,393.80x = 394,413,590.70 × 160,905,721.80
  4. Step 4: Simplify right side
    262,942,393.80x = 63,463,403,499,313,272
  5. Step 5: Solve for x
    x = 63,463,403,499,313,272/262,942,393.80
  6. Step 6: Final answer
    x = 241,358,582.70

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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.