Home / 201,852,470.88-278,556,521.94-109,032,979.50

Finding the Fourth Proportional to 201,852,470.88, 278,556,521.94 and 109,032,979.50

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Solution

The fourth proportional to 201,852,470.88, 278,556,521.94 and 109,032,979.50 is: 150,465,572.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,470.88 : 278,556,521.94 = 109,032,979.50 : x
  2. Step 2: Convert to fraction form
    201,852,470.88/278,556,521.94 = 109,032,979.50/x
  3. Step 3: Cross multiply
    201,852,470.88x = 278,556,521.94 × 109,032,979.50
  4. Step 4: Simplify right side
    201,852,470.88x = 30,371,847,546,275,320
  5. Step 5: Solve for x
    x = 30,371,847,546,275,320/201,852,470.88
  6. Step 6: Final answer
    x = 150,465,572.28

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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.