Finding the Fourth Proportional to 69,759,669.18, 96,267,579.53 and 38,397,047.63
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Solution
The fourth proportional to 69,759,669.18, 96,267,579.53 and 38,397,047.63 is: 52,987,505.23
Step by Step Solution
- Step 1: Write the proportion equation
69,759,669.18 : 96,267,579.53 = 38,397,047.63 : x - Step 2: Convert to fraction form
69,759,669.18/96,267,579.53 = 38,397,047.63/x - Step 3: Cross multiply
69,759,669.18x = 96,267,579.53 × 38,397,047.63 - Step 4: Simplify right side
69,759,669.18x = 3,696,390,835,764,900 - Step 5: Solve for x
x = 3,696,390,835,764,900/69,759,669.18 - Step 6: Final answer
x = 52,987,505.23
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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.