Home / 107,313,991.20-161,024,130.90-61,291,200.60

Finding the Fourth Proportional to 107,313,991.20, 161,024,130.90 and 61,291,200.60

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Solution

The fourth proportional to 107,313,991.20, 161,024,130.90 and 61,291,200.60 is: 91,967,153.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,313,991.20 : 161,024,130.90 = 61,291,200.60 : x
  2. Step 2: Convert to fraction form
    107,313,991.20/161,024,130.90 = 61,291,200.60/x
  3. Step 3: Cross multiply
    107,313,991.20x = 161,024,130.90 × 61,291,200.60
  4. Step 4: Simplify right side
    107,313,991.20x = 9,869,362,308,432,560
  5. Step 5: Solve for x
    x = 9,869,362,308,432,560/107,313,991.20
  6. Step 6: Final answer
    x = 91,967,153.57

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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.