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Finding the Fourth Proportional to 199,555,893.60, 299,389,827.60 and 97,323,266.40

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Solution

The fourth proportional to 199,555,893.60, 299,389,827.60 and 97,323,266.40 is: 146,012,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,555,893.60 : 299,389,827.60 = 97,323,266.40 : x
  2. Step 2: Convert to fraction form
    199,555,893.60/299,389,827.60 = 97,323,266.40/x
  3. Step 3: Cross multiply
    199,555,893.60x = 299,389,827.60 × 97,323,266.40
  4. Step 4: Simplify right side
    199,555,893.60x = 29,137,595,948,964,876
  5. Step 5: Solve for x
    x = 29,137,595,948,964,876/199,555,893.60
  6. Step 6: Final answer
    x = 146,012,204.52

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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.