Home / 107,796,491.20-161,718,356.40-53,235,215.20

Finding the Fourth Proportional to 107,796,491.20, 161,718,356.40 and 53,235,215.20

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Solution

The fourth proportional to 107,796,491.20, 161,718,356.40 and 53,235,215.20 is: 79,864,487.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,796,491.20 : 161,718,356.40 = 53,235,215.20 : x
  2. Step 2: Convert to fraction form
    107,796,491.20/161,718,356.40 = 53,235,215.20/x
  3. Step 3: Cross multiply
    107,796,491.20x = 161,718,356.40 × 53,235,215.20
  4. Step 4: Simplify right side
    107,796,491.20x = 8,609,111,504,744,298
  5. Step 5: Solve for x
    x = 8,609,111,504,744,298/107,796,491.20
  6. Step 6: Final answer
    x = 79,864,487.32

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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.