Finding the Fourth Proportional to 211,477,984.02, 317,163,153.92 and 65,884,407.66
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Solution
The fourth proportional to 211,477,984.02, 317,163,153.92 and 65,884,407.66 is: 98,809,843.61
Step by Step Solution
- Step 1: Write the proportion equation
211,477,984.02 : 317,163,153.92 = 65,884,407.66 : x - Step 2: Convert to fraction form
211,477,984.02/317,163,153.92 = 65,884,407.66/x - Step 3: Cross multiply
211,477,984.02x = 317,163,153.92 × 65,884,407.66 - Step 4: Simplify right side
211,477,984.02x = 20,896,106,527,596,608 - Step 5: Solve for x
x = 20,896,106,527,596,608/211,477,984.02 - Step 6: Final answer
x = 98,809,843.61
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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.