Home / 201,852,488.88-278,556,546.78-109,032,997.50

Finding the Fourth Proportional to 201,852,488.88, 278,556,546.78 and 109,032,997.50

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Solution

The fourth proportional to 201,852,488.88, 278,556,546.78 and 109,032,997.50 is: 150,465,597.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,488.88 : 278,556,546.78 = 109,032,997.50 : x
  2. Step 2: Convert to fraction form
    201,852,488.88/278,556,546.78 = 109,032,997.50/x
  3. Step 3: Cross multiply
    201,852,488.88x = 278,556,546.78 × 109,032,997.50
  4. Step 4: Simplify right side
    201,852,488.88x = 30,371,855,268,672,368
  5. Step 5: Solve for x
    x = 30,371,855,268,672,368/201,852,488.88
  6. Step 6: Final answer
    x = 150,465,597.12

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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.