Finding the Fourth Proportional to 56,631,502.80, 84,968,249.40 and 54,531,982.80
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Solution
The fourth proportional to 56,631,502.80, 84,968,249.40 and 54,531,982.80 is: 81,818,191.04
Step by Step Solution
- Step 1: Write the proportion equation
56,631,502.80 : 84,968,249.40 = 54,531,982.80 : x - Step 2: Convert to fraction form
56,631,502.80/84,968,249.40 = 54,531,982.80/x - Step 3: Cross multiply
56,631,502.80x = 84,968,249.40 × 54,531,982.80 - Step 4: Simplify right side
56,631,502.80x = 4,633,487,114,826,910 - Step 5: Solve for x
x = 4,633,487,114,826,910/56,631,502.80 - Step 6: Final answer
x = 81,818,191.04
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1.5x scale
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.