Finding the Fourth Proportional to 91,681,753.44, 126,513,259.92 and 53,999,043.60
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Solution
The fourth proportional to 91,681,753.44, 126,513,259.92 and 53,999,043.60 is: 74,514,227.55
Step by Step Solution
- Step 1: Write the proportion equation
91,681,753.44 : 126,513,259.92 = 53,999,043.60 : x - Step 2: Convert to fraction form
91,681,753.44/126,513,259.92 = 53,999,043.60/x - Step 3: Cross multiply
91,681,753.44x = 126,513,259.92 × 53,999,043.60 - Step 4: Simplify right side
91,681,753.44x = 6,831,595,038,398,213 - Step 5: Solve for x
x = 6,831,595,038,398,213/91,681,753.44 - Step 6: Final answer
x = 74,514,227.55
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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.