Home / 108,267,988.40-162,401,982.60-50,872,360.40

Finding the Fourth Proportional to 108,267,988.40, 162,401,982.60 and 50,872,360.40

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Solution

The fourth proportional to 108,267,988.40, 162,401,982.60 and 50,872,360.40 is: 76,308,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,267,988.40 : 162,401,982.60 = 50,872,360.40 : x
  2. Step 2: Convert to fraction form
    108,267,988.40/162,401,982.60 = 50,872,360.40/x
  3. Step 3: Cross multiply
    108,267,988.40x = 162,401,982.60 × 50,872,360.40
  4. Step 4: Simplify right side
    108,267,988.40x = 8,261,772,188,501,728
  5. Step 5: Solve for x
    x = 8,261,772,188,501,728/108,267,988.40
  6. Step 6: Final answer
    x = 76,308,540.60

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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.