Finding the Fourth Proportional to 70,525,051.38, 97,319,234.43 and 39,579,241.95
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Solution
The fourth proportional to 70,525,051.38, 97,319,234.43 and 39,579,241.95 is: 54,616,359.02
Step by Step Solution
- Step 1: Write the proportion equation
70,525,051.38 : 97,319,234.43 = 39,579,241.95 : x - Step 2: Convert to fraction form
70,525,051.38/97,319,234.43 = 39,579,241.95/x - Step 3: Cross multiply
70,525,051.38x = 97,319,234.43 × 39,579,241.95 - Step 4: Simplify right side
70,525,051.38x = 3,851,821,525,893,741 - Step 5: Solve for x
x = 3,851,821,525,893,741/70,525,051.38 - Step 6: Final answer
x = 54,616,359.02
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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.