Home / 201,852,489.88-278,556,548.16-109,032,998.50

Finding the Fourth Proportional to 201,852,489.88, 278,556,548.16 and 109,032,998.50

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Solution

The fourth proportional to 201,852,489.88, 278,556,548.16 and 109,032,998.50 is: 150,465,598.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,489.88 : 278,556,548.16 = 109,032,998.50 : x
  2. Step 2: Convert to fraction form
    201,852,489.88/278,556,548.16 = 109,032,998.50/x
  3. Step 3: Cross multiply
    201,852,489.88x = 278,556,548.16 × 109,032,998.50
  4. Step 4: Simplify right side
    201,852,489.88x = 30,371,855,697,694,460
  5. Step 5: Solve for x
    x = 30,371,855,697,694,460/201,852,489.88
  6. Step 6: Final answer
    x = 150,465,598.50

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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.