Finding the Fourth Proportional to 84,374,991.87, 126,310,328.98 and 51,037,316.12
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Solution
The fourth proportional to 84,374,991.87, 126,310,328.98 and 51,037,316.12 is: 76,403,446.65
Step by Step Solution
- Step 1: Write the proportion equation
84,374,991.87 : 126,310,328.98 = 51,037,316.12 : x - Step 2: Convert to fraction form
84,374,991.87/126,310,328.98 = 51,037,316.12/x - Step 3: Cross multiply
84,374,991.87x = 126,310,328.98 × 51,037,316.12 - Step 4: Simplify right side
84,374,991.87x = 6,446,540,189,561,640 - Step 5: Solve for x
x = 6,446,540,189,561,640/84,374,991.87 - Step 6: Final answer
x = 76,403,446.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.