Finding the Fourth Proportional to 127,590,248.25, 176,075,428.32 and 72,586,104.75
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Solution
The fourth proportional to 127,590,248.25, 176,075,428.32 and 72,586,104.75 is: 100,169,328.45
Step by Step Solution
- Step 1: Write the proportion equation
127,590,248.25 : 176,075,428.32 = 72,586,104.75 : x - Step 2: Convert to fraction form
127,590,248.25/176,075,428.32 = 72,586,104.75/x - Step 3: Cross multiply
127,590,248.25x = 176,075,428.32 × 72,586,104.75 - Step 4: Simplify right side
127,590,248.25x = 12,780,629,483,936,636 - Step 5: Solve for x
x = 12,780,629,483,936,636/127,590,248.25 - Step 6: Final answer
x = 100,169,328.45
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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.