Finding the Fourth Proportional to 93,560,254.30, 129,106,596.49 and 54,399,252.75
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Solution
The fourth proportional to 93,560,254.30, 129,106,596.49 and 54,399,252.75 is: 75,067,157.81
Step by Step Solution
- Step 1: Write the proportion equation
93,560,254.30 : 129,106,596.49 = 54,399,252.75 : x - Step 2: Convert to fraction form
93,560,254.30/129,106,596.49 = 54,399,252.75/x - Step 3: Cross multiply
93,560,254.30x = 129,106,596.49 × 54,399,252.75 - Step 4: Simplify right side
93,560,254.30x = 7,023,302,374,151,773 - Step 5: Solve for x
x = 7,023,302,374,151,773/93,560,254.30 - Step 6: Final answer
x = 75,067,157.81
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1.5x scale
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.