Finding the Fourth Proportional to 121,400,771.84, 167,537,425.92 and 69,197,684.48
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Solution
The fourth proportional to 121,400,771.84, 167,537,425.92 and 69,197,684.48 is: 95,495,290.20
Step by Step Solution
- Step 1: Write the proportion equation
121,400,771.84 : 167,537,425.92 = 69,197,684.48 : x - Step 2: Convert to fraction form
121,400,771.84/167,537,425.92 = 69,197,684.48/x - Step 3: Cross multiply
121,400,771.84x = 167,537,425.92 × 69,197,684.48 - Step 4: Simplify right side
121,400,771.84x = 11,593,201,937,403,534 - Step 5: Solve for x
x = 11,593,201,937,403,534/121,400,771.84 - Step 6: Final answer
x = 95,495,290.20
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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.