Home / 161,586,650.82-242,414,021.70-52,403,308.43

Finding the Fourth Proportional to 161,586,650.82, 242,414,021.70 and 52,403,308.43

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Solution

The fourth proportional to 161,586,650.82, 242,414,021.70 and 52,403,308.43 is: 78,616,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,586,650.82 : 242,414,021.70 = 52,403,308.43 : x
  2. Step 2: Convert to fraction form
    161,586,650.82/242,414,021.70 = 52,403,308.43/x
  3. Step 3: Cross multiply
    161,586,650.82x = 242,414,021.70 × 52,403,308.43
  4. Step 4: Simplify right side
    161,586,650.82x = 12,703,296,745,689,742
  5. Step 5: Solve for x
    x = 12,703,296,745,689,742/161,586,650.82
  6. Step 6: Final answer
    x = 78,616,003.74

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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.