Home / 149,467,809.20-224,201,713.80-91,772,999.60

Finding the Fourth Proportional to 149,467,809.20, 224,201,713.80 and 91,772,999.60

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Solution

The fourth proportional to 149,467,809.20, 224,201,713.80 and 91,772,999.60 is: 137,659,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,467,809.20 : 224,201,713.80 = 91,772,999.60 : x
  2. Step 2: Convert to fraction form
    149,467,809.20/224,201,713.80 = 91,772,999.60/x
  3. Step 3: Cross multiply
    149,467,809.20x = 224,201,713.80 × 91,772,999.60
  4. Step 4: Simplify right side
    149,467,809.20x = 20,575,663,790,886,716
  5. Step 5: Solve for x
    x = 20,575,663,790,886,716/149,467,809.20
  6. Step 6: Final answer
    x = 137,659,499.40

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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.