Home / 201,852,376.20-278,556,391.08-109,032,884.46

Finding the Fourth Proportional to 201,852,376.20, 278,556,391.08 and 109,032,884.46

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Solution

The fourth proportional to 201,852,376.20, 278,556,391.08 and 109,032,884.46 is: 150,465,441.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,376.20 : 278,556,391.08 = 109,032,884.46 : x
  2. Step 2: Convert to fraction form
    201,852,376.20/278,556,391.08 = 109,032,884.46/x
  3. Step 3: Cross multiply
    201,852,376.20x = 278,556,391.08 × 109,032,884.46
  4. Step 4: Simplify right side
    201,852,376.20x = 30,371,806,804,220,212
  5. Step 5: Solve for x
    x = 30,371,806,804,220,212/201,852,376.20
  6. Step 6: Final answer
    x = 150,465,441.01

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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.