Home / 193,567,999.20-290,351,998.80-125,039,666.40

Finding the Fourth Proportional to 193,567,999.20, 290,351,998.80 and 125,039,666.40

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Solution

The fourth proportional to 193,567,999.20, 290,351,998.80 and 125,039,666.40 is: 187,559,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,567,999.20 : 290,351,998.80 = 125,039,666.40 : x
  2. Step 2: Convert to fraction form
    193,567,999.20/290,351,998.80 = 125,039,666.40/x
  3. Step 3: Cross multiply
    193,567,999.20x = 290,351,998.80 × 125,039,666.40
  4. Step 4: Simplify right side
    193,567,999.20x = 36,305,517,068,525,200
  5. Step 5: Solve for x
    x = 36,305,517,068,525,200/193,567,999.20
  6. Step 6: Final answer
    x = 187,559,499.60

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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.