Finding the Fourth Proportional to 249,528,657.20, 374,317,998.60 and 85,744,842.80
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Solution
The fourth proportional to 249,528,657.20, 374,317,998.60 and 85,744,842.80 is: 128,625,859.28
Step by Step Solution
- Step 1: Write the proportion equation
249,528,657.20 : 374,317,998.60 = 85,744,842.80 : x - Step 2: Convert to fraction form
249,528,657.20/374,317,998.60 = 85,744,842.80/x - Step 3: Cross multiply
249,528,657.20x = 374,317,998.60 × 85,744,842.80 - Step 4: Simplify right side
249,528,657.20x = 32,095,837,947,167,620 - Step 5: Solve for x
x = 32,095,837,947,167,620/249,528,657.20 - Step 6: Final answer
x = 128,625,859.28
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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.