Home / 201,852,369.86-278,556,382.38-109,032,878.22

Finding the Fourth Proportional to 201,852,369.86, 278,556,382.38 and 109,032,878.22

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Solution

The fourth proportional to 201,852,369.86, 278,556,382.38 and 109,032,878.22 is: 150,465,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,369.86 : 278,556,382.38 = 109,032,878.22 : x
  2. Step 2: Convert to fraction form
    201,852,369.86/278,556,382.38 = 109,032,878.22/x
  3. Step 3: Cross multiply
    201,852,369.86x = 278,556,382.38 × 109,032,878.22
  4. Step 4: Simplify right side
    201,852,369.86x = 30,371,804,117,442,292
  5. Step 5: Solve for x
    x = 30,371,804,117,442,292/201,852,369.86
  6. Step 6: Final answer
    x = 150,465,432.43

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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.