Home / 264,459,858.60-396,745,775.10-80,212,204.20

Finding the Fourth Proportional to 264,459,858.60, 396,745,775.10 and 80,212,204.20

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Solution

The fourth proportional to 264,459,858.60, 396,745,775.10 and 80,212,204.20 is: 120,335,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,459,858.60 : 396,745,775.10 = 80,212,204.20 : x
  2. Step 2: Convert to fraction form
    264,459,858.60/396,745,775.10 = 80,212,204.20/x
  3. Step 3: Cross multiply
    264,459,858.60x = 396,745,775.10 × 80,212,204.20
  4. Step 4: Simplify right side
    264,459,858.60x = 31,823,853,127,808,480
  5. Step 5: Solve for x
    x = 31,823,853,127,808,480/264,459,858.60
  6. Step 6: Final answer
    x = 120,335,287.54

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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.