Finding the Fourth Proportional to 121,771,945.64, 182,657,914.93 and 56,173,674.96
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Solution
The fourth proportional to 121,771,945.64, 182,657,914.93 and 56,173,674.96 is: 84,260,510.81
Step by Step Solution
- Step 1: Write the proportion equation
121,771,945.64 : 182,657,914.93 = 56,173,674.96 : x - Step 2: Convert to fraction form
121,771,945.64/182,657,914.93 = 56,173,674.96/x - Step 3: Cross multiply
121,771,945.64x = 182,657,914.93 × 56,173,674.96 - Step 4: Simplify right side
121,771,945.64x = 10,260,566,342,149,152 - Step 5: Solve for x
x = 10,260,566,342,149,152/121,771,945.64 - Step 6: Final answer
x = 84,260,510.81
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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.