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Finding the Fourth Proportional to 168,496,130, 252,744,195 and 40,845,314

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Solution

The fourth proportional to 168,496,130, 252,744,195 and 40,845,314 is: 61,267,971

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,496,130 : 252,744,195 = 40,845,314 : x
  2. Step 2: Convert to fraction form
    168,496,130/252,744,195 = 40,845,314/x
  3. Step 3: Cross multiply
    168,496,130x = 252,744,195 × 40,845,314
  4. Step 4: Simplify right side
    168,496,130x = 10,323,416,006,452,230
  5. Step 5: Solve for x
    x = 10,323,416,006,452,230/168,496,130
  6. Step 6: Final answer
    x = 61,267,971

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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.