Home / 192,002,125.44-287,928,771.84-69,154,220.64

Finding the Fourth Proportional to 192,002,125.44, 287,928,771.84 and 69,154,220.64

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Solution

The fourth proportional to 192,002,125.44, 287,928,771.84 and 69,154,220.64 is: 103,704,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,002,125.44 : 287,928,771.84 = 69,154,220.64 : x
  2. Step 2: Convert to fraction form
    192,002,125.44/287,928,771.84 = 69,154,220.64/x
  3. Step 3: Cross multiply
    192,002,125.44x = 287,928,771.84 × 69,154,220.64
  4. Step 4: Simplify right side
    192,002,125.44x = 19,911,489,816,427,576
  5. Step 5: Solve for x
    x = 19,911,489,816,427,576/192,002,125.44
  6. Step 6: Final answer
    x = 103,704,528.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.