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Finding the Fourth Proportional to 199,510,607.70, 299,100,023.55 and 84,583,401.30

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Solution

The fourth proportional to 199,510,607.70, 299,100,023.55 and 84,583,401.30 is: 126,804,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,510,607.70 : 299,100,023.55 = 84,583,401.30 : x
  2. Step 2: Convert to fraction form
    199,510,607.70/299,100,023.55 = 84,583,401.30/x
  3. Step 3: Cross multiply
    199,510,607.70x = 299,100,023.55 × 84,583,401.30
  4. Step 4: Simplify right side
    199,510,607.70x = 25,298,897,320,769,100
  5. Step 5: Solve for x
    x = 25,298,897,320,769,100/199,510,607.70
  6. Step 6: Final answer
    x = 126,804,773.00

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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.