Finding the Fourth Proportional to 53,990,851.70, 80,986,277.55 and 49,833,802.10
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Solution
The fourth proportional to 53,990,851.70, 80,986,277.55 and 49,833,802.10 is: 74,750,703.15
Step by Step Solution
- Step 1: Write the proportion equation
53,990,851.70 : 80,986,277.55 = 49,833,802.10 : x - Step 2: Convert to fraction form
53,990,851.70/80,986,277.55 = 49,833,802.10/x - Step 3: Cross multiply
53,990,851.70x = 80,986,277.55 × 49,833,802.10 - Step 4: Simplify right side
53,990,851.70x = 4,035,854,128,242,373 - Step 5: Solve for x
x = 4,035,854,128,242,373/53,990,851.70 - Step 6: Final answer
x = 74,750,703.15
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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.