Home / 108,638,405.62-150,315,783.21-94,728,765.80

Finding the Fourth Proportional to 108,638,405.62, 150,315,783.21 and 94,728,765.80

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Solution

The fourth proportional to 108,638,405.62, 150,315,783.21 and 94,728,765.80 is: 131,069,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,638,405.62 : 150,315,783.21 = 94,728,765.80 : x
  2. Step 2: Convert to fraction form
    108,638,405.62/150,315,783.21 = 94,728,765.80/x
  3. Step 3: Cross multiply
    108,638,405.62x = 150,315,783.21 × 94,728,765.80
  4. Step 4: Simplify right side
    108,638,405.62x = 14,239,228,624,119,452
  5. Step 5: Solve for x
    x = 14,239,228,624,119,452/108,638,405.62
  6. Step 6: Final answer
    x = 131,069,933.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.