Finding the Fourth Proportional to 440,792,997.05, 661,285,154.96 and 134,077,138.31
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Solution
The fourth proportional to 440,792,997.05, 661,285,154.96 and 134,077,138.31 is: 201,144,804.43
Step by Step Solution
- Step 1: Write the proportion equation
440,792,997.05 : 661,285,154.96 = 134,077,138.31 : x - Step 2: Convert to fraction form
440,792,997.05/661,285,154.96 = 134,077,138.31/x - Step 3: Cross multiply
440,792,997.05x = 661,285,154.96 × 134,077,138.31 - Step 4: Simplify right side
440,792,997.05x = 88,663,221,185,408,656 - Step 5: Solve for x
x = 88,663,221,185,408,656/440,792,997.05 - Step 6: Final answer
x = 201,144,804.43
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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.