Home / 201,852,451.30-278,556,494.87-109,032,960.05

Finding the Fourth Proportional to 201,852,451.30, 278,556,494.87 and 109,032,960.05

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Solution

The fourth proportional to 201,852,451.30, 278,556,494.87 and 109,032,960.05 is: 150,465,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,451.30 : 278,556,494.87 = 109,032,960.05 : x
  2. Step 2: Convert to fraction form
    201,852,451.30/278,556,494.87 = 109,032,960.05/x
  3. Step 3: Cross multiply
    201,852,451.30x = 278,556,494.87 × 109,032,960.05
  4. Step 4: Simplify right side
    201,852,451.30x = 30,371,839,176,828,740
  5. Step 5: Solve for x
    x = 30,371,839,176,828,740/201,852,451.30
  6. Step 6: Final answer
    x = 150,465,545.41

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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.