Home / 143,500,966,509.60-215,251,449,764.40-87,712,416,093.60

Finding the Fourth Proportional to 143,500,966,509.60, 215,251,449,764.40 and 87,712,416,093.60

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Solution

The fourth proportional to 143,500,966,509.60, 215,251,449,764.40 and 87,712,416,093.60 is: 131,568,624,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,500,966,509.60 : 215,251,449,764.40 = 87,712,416,093.60 : x
  2. Step 2: Convert to fraction form
    143,500,966,509.60/215,251,449,764.40 = 87,712,416,093.60/x
  3. Step 3: Cross multiply
    143,500,966,509.60x = 215,251,449,764.40 × 87,712,416,093.60
  4. Step 4: Simplify right side
    143,500,966,509.60x = 18,880,224,726,485,691,269,120
  5. Step 5: Solve for x
    x = 18,880,224,726,485,691,269,120/143,500,966,509.60
  6. Step 6: Final answer
    x = 131,568,624,140.40

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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.