Home / 337,003,631.40-505,505,447.10-81,701,999.40

Finding the Fourth Proportional to 337,003,631.40, 505,505,447.10 and 81,701,999.40

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Solution

The fourth proportional to 337,003,631.40, 505,505,447.10 and 81,701,999.40 is: 122,552,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,003,631.40 : 505,505,447.10 = 81,701,999.40 : x
  2. Step 2: Convert to fraction form
    337,003,631.40/505,505,447.10 = 81,701,999.40/x
  3. Step 3: Cross multiply
    337,003,631.40x = 505,505,447.10 × 81,701,999.40
  4. Step 4: Simplify right side
    337,003,631.40x = 41,300,805,735,660,936
  5. Step 5: Solve for x
    x = 41,300,805,735,660,936/337,003,631.40
  6. Step 6: Final answer
    x = 122,552,999.10

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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.