Home / 201,852,364.86-278,556,375.47-109,032,873.21

Finding the Fourth Proportional to 201,852,364.86, 278,556,375.47 and 109,032,873.21

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Solution

The fourth proportional to 201,852,364.86, 278,556,375.47 and 109,032,873.21 is: 150,465,425.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,364.86 : 278,556,375.47 = 109,032,873.21 : x
  2. Step 2: Convert to fraction form
    201,852,364.86/278,556,375.47 = 109,032,873.21/x
  3. Step 3: Cross multiply
    201,852,364.86x = 278,556,375.47 × 109,032,873.21
  4. Step 4: Simplify right side
    201,852,364.86x = 30,371,801,967,912,496
  5. Step 5: Solve for x
    x = 30,371,801,967,912,496/201,852,364.86
  6. Step 6: Final answer
    x = 150,465,425.51

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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.