Home / 193,632,021.60-290,448,032.40-121,968,405.60

Finding the Fourth Proportional to 193,632,021.60, 290,448,032.40 and 121,968,405.60

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Solution

The fourth proportional to 193,632,021.60, 290,448,032.40 and 121,968,405.60 is: 182,952,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,632,021.60 : 290,448,032.40 = 121,968,405.60 : x
  2. Step 2: Convert to fraction form
    193,632,021.60/290,448,032.40 = 121,968,405.60/x
  3. Step 3: Cross multiply
    193,632,021.60x = 290,448,032.40 × 121,968,405.60
  4. Step 4: Simplify right side
    193,632,021.60x = 35,425,483,421,485,136
  5. Step 5: Solve for x
    x = 35,425,483,421,485,136/193,632,021.60
  6. Step 6: Final answer
    x = 182,952,608.40

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1.5x scale

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.