Home / 201,048,512.42-301,293,762.09-91,606,221.02

Finding the Fourth Proportional to 201,048,512.42, 301,293,762.09 and 91,606,221.02

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Solution

The fourth proportional to 201,048,512.42, 301,293,762.09 and 91,606,221.02 is: 137,282,204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,048,512.42 : 301,293,762.09 = 91,606,221.02 : x
  2. Step 2: Convert to fraction form
    201,048,512.42/301,293,762.09 = 91,606,221.02/x
  3. Step 3: Cross multiply
    201,048,512.42x = 301,293,762.09 × 91,606,221.02
  4. Step 4: Simplify right side
    201,048,512.42x = 27,600,382,961,963,832
  5. Step 5: Solve for x
    x = 27,600,382,961,963,832/201,048,512.42
  6. Step 6: Final answer
    x = 137,282,204.33

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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.