Finding the Fourth Proportional to 97,714,811.40, 146,716,850.70 and 54,669,985.80
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Solution
The fourth proportional to 97,714,811.40, 146,716,850.70 and 54,669,985.80 is: 82,085,899.05
Step by Step Solution
- Step 1: Write the proportion equation
97,714,811.40 : 146,716,850.70 = 54,669,985.80 : x - Step 2: Convert to fraction form
97,714,811.40/146,716,850.70 = 54,669,985.80/x - Step 3: Cross multiply
97,714,811.40x = 146,716,850.70 × 54,669,985.80 - Step 4: Simplify right side
97,714,811.40x = 8,021,008,144,389,719 - Step 5: Solve for x
x = 8,021,008,144,389,719/97,714,811.40 - Step 6: Final answer
x = 82,085,899.05
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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.