Home / 262,116,778.60-393,143,675.10-108,746,842.60

Finding the Fourth Proportional to 262,116,778.60, 393,143,675.10 and 108,746,842.60

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Solution

The fourth proportional to 262,116,778.60, 393,143,675.10 and 108,746,842.60 is: 163,107,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,116,778.60 : 393,143,675.10 = 108,746,842.60 : x
  2. Step 2: Convert to fraction form
    262,116,778.60/393,143,675.10 = 108,746,842.60/x
  3. Step 3: Cross multiply
    262,116,778.60x = 393,143,675.10 × 108,746,842.60
  4. Step 4: Simplify right side
    262,116,778.60x = 42,753,133,355,285,240
  5. Step 5: Solve for x
    x = 42,753,133,355,285,240/262,116,778.60
  6. Step 6: Final answer
    x = 163,107,198.19

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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.