Home / 193,915,409.60-290,873,114.40-121,355,998.40

Finding the Fourth Proportional to 193,915,409.60, 290,873,114.40 and 121,355,998.40

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Solution

The fourth proportional to 193,915,409.60, 290,873,114.40 and 121,355,998.40 is: 182,033,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,915,409.60 : 290,873,114.40 = 121,355,998.40 : x
  2. Step 2: Convert to fraction form
    193,915,409.60/290,873,114.40 = 121,355,998.40/x
  3. Step 3: Cross multiply
    193,915,409.60x = 290,873,114.40 × 121,355,998.40
  4. Step 4: Simplify right side
    193,915,409.60x = 35,299,197,205,729,416
  5. Step 5: Solve for x
    x = 35,299,197,205,729,416/193,915,409.60
  6. Step 6: Final answer
    x = 182,033,997.60

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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.