Finding the Fourth Proportional to 127,987,319.02, 176,621,241.06 and 69,248,694.82
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Solution
The fourth proportional to 127,987,319.02, 176,621,241.06 and 69,248,694.82 is: 95,562,517.56
Step by Step Solution
- Step 1: Write the proportion equation
127,987,319.02 : 176,621,241.06 = 69,248,694.82 : x - Step 2: Convert to fraction form
127,987,319.02/176,621,241.06 = 69,248,694.82/x - Step 3: Cross multiply
127,987,319.02x = 176,621,241.06 × 69,248,694.82 - Step 4: Simplify right side
127,987,319.02x = 12,230,790,420,893,592 - Step 5: Solve for x
x = 12,230,790,420,893,592/127,987,319.02 - Step 6: Final answer
x = 95,562,517.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.