Finding the Fourth Proportional to 89,009,269.26, 122,831,165.82 and 49,316,655.24
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Solution
The fourth proportional to 89,009,269.26, 122,831,165.82 and 49,316,655.24 is: 68,056,083.46
Step by Step Solution
- Step 1: Write the proportion equation
89,009,269.26 : 122,831,165.82 = 49,316,655.24 : x - Step 2: Convert to fraction form
89,009,269.26/122,831,165.82 = 49,316,655.24/x - Step 3: Cross multiply
89,009,269.26x = 122,831,165.82 × 49,316,655.24 - Step 4: Simplify right side
89,009,269.26x = 6,057,622,257,472,212 - Step 5: Solve for x
x = 6,057,622,257,472,212/89,009,269.26 - Step 6: Final answer
x = 68,056,083.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.