Home / 420,764,095.14-631,146,145.05-114,056,206.62

Finding the Fourth Proportional to 420,764,095.14, 631,146,145.05 and 114,056,206.62

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Solution

The fourth proportional to 420,764,095.14, 631,146,145.05 and 114,056,206.62 is: 171,084,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,764,095.14 : 631,146,145.05 = 114,056,206.62 : x
  2. Step 2: Convert to fraction form
    420,764,095.14/631,146,145.05 = 114,056,206.62/x
  3. Step 3: Cross multiply
    420,764,095.14x = 631,146,145.05 × 114,056,206.62
  4. Step 4: Simplify right side
    420,764,095.14x = 71,986,135,127,239,288
  5. Step 5: Solve for x
    x = 71,986,135,127,239,288/420,764,095.14
  6. Step 6: Final answer
    x = 171,084,310.56

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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.