Finding the Fourth Proportional to 249,620,204.70, 344,477,063.46 and 139,611,917.70
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Solution
The fourth proportional to 249,620,204.70, 344,477,063.46 and 139,611,917.70 is: 192,665,106.94
Step by Step Solution
- Step 1: Write the proportion equation
249,620,204.70 : 344,477,063.46 = 139,611,917.70 : x - Step 2: Convert to fraction form
249,620,204.70/344,477,063.46 = 139,611,917.70/x - Step 3: Cross multiply
249,620,204.70x = 344,477,063.46 × 139,611,917.70 - Step 4: Simplify right side
249,620,204.70x = 48,093,103,433,315,192 - Step 5: Solve for x
x = 48,093,103,433,315,192/249,620,204.70 - Step 6: Final answer
x = 192,665,106.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.