Finding the Fourth Proportional to 197,990,744.80, 296,986,117.20 and 184,553,816.80
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Solution
The fourth proportional to 197,990,744.80, 296,986,117.20 and 184,553,816.80 is: 276,830,725.20
Step by Step Solution
- Step 1: Write the proportion equation
197,990,744.80 : 296,986,117.20 = 184,553,816.80 : x - Step 2: Convert to fraction form
197,990,744.80/296,986,117.20 = 184,553,816.80/x - Step 3: Cross multiply
197,990,744.80x = 296,986,117.20 × 184,553,816.80 - Step 4: Simplify right side
197,990,744.80x = 54,809,921,465,872,128 - Step 5: Solve for x
x = 54,809,921,465,872,128/197,990,744.80 - Step 6: Final answer
x = 276,830,725.20
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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.