Home / 201,852,365.86-278,556,376.85-109,032,874.21

Finding the Fourth Proportional to 201,852,365.86, 278,556,376.85 and 109,032,874.21

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Solution

The fourth proportional to 201,852,365.86, 278,556,376.85 and 109,032,874.21 is: 150,465,426.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,365.86 : 278,556,376.85 = 109,032,874.21 : x
  2. Step 2: Convert to fraction form
    201,852,365.86/278,556,376.85 = 109,032,874.21/x
  3. Step 3: Cross multiply
    201,852,365.86x = 278,556,376.85 × 109,032,874.21
  4. Step 4: Simplify right side
    201,852,365.86x = 30,371,802,397,479,408
  5. Step 5: Solve for x
    x = 30,371,802,397,479,408/201,852,365.86
  6. Step 6: Final answer
    x = 150,465,426.89

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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.