Home / 70,416,164.20-105,624,246.30-53,410,052.20

Finding the Fourth Proportional to 70,416,164.20, 105,624,246.30 and 53,410,052.20

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Solution

The fourth proportional to 70,416,164.20, 105,624,246.30 and 53,410,052.20 is: 80,115,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,416,164.20 : 105,624,246.30 = 53,410,052.20 : x
  2. Step 2: Convert to fraction form
    70,416,164.20/105,624,246.30 = 53,410,052.20/x
  3. Step 3: Cross multiply
    70,416,164.20x = 105,624,246.30 × 53,410,052.20
  4. Step 4: Simplify right side
    70,416,164.20x = 5,641,396,508,468,657
  5. Step 5: Solve for x
    x = 5,641,396,508,468,657/70,416,164.20
  6. Step 6: Final answer
    x = 80,115,078.30

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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.