Home / 100,038,200.60-150,019,976.10-39,441,387.80

Finding the Fourth Proportional to 100,038,200.60, 150,019,976.10 and 39,441,387.80

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Solution

The fourth proportional to 100,038,200.60, 150,019,976.10 and 39,441,387.80 is: 59,147,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,038,200.60 : 150,019,976.10 = 39,441,387.80 : x
  2. Step 2: Convert to fraction form
    100,038,200.60/150,019,976.10 = 39,441,387.80/x
  3. Step 3: Cross multiply
    100,038,200.60x = 150,019,976.10 × 39,441,387.80
  4. Step 4: Simplify right side
    100,038,200.60x = 5,916,996,055,106,831
  5. Step 5: Solve for x
    x = 5,916,996,055,106,831/100,038,200.60
  6. Step 6: Final answer
    x = 59,147,365.90

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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.