Home / 65,316,823.30-90,135,557.21-35,546,205.88

Finding the Fourth Proportional to 65,316,823.30, 90,135,557.21 and 35,546,205.88

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Solution

The fourth proportional to 65,316,823.30, 90,135,557.21 and 35,546,205.88 is: 49,052,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,316,823.30 : 90,135,557.21 = 35,546,205.88 : x
  2. Step 2: Convert to fraction form
    65,316,823.30/90,135,557.21 = 35,546,205.88/x
  3. Step 3: Cross multiply
    65,316,823.30x = 90,135,557.21 × 35,546,205.88
  4. Step 4: Simplify right side
    65,316,823.30x = 3,203,977,073,066,769.50
  5. Step 5: Solve for x
    x = 3,203,977,073,066,769.50/65,316,823.30
  6. Step 6: Final answer
    x = 49,052,861.29

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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.