Finding the Fourth Proportional to 69,759,676.98, 96,267,590.26 and 38,397,055.43
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Solution
The fourth proportional to 69,759,676.98, 96,267,590.26 and 38,397,055.43 is: 52,987,515.99
Step by Step Solution
- Step 1: Write the proportion equation
69,759,676.98 : 96,267,590.26 = 38,397,055.43 : x - Step 2: Convert to fraction form
69,759,676.98/96,267,590.26 = 38,397,055.43/x - Step 3: Cross multiply
69,759,676.98x = 96,267,590.26 × 38,397,055.43 - Step 4: Simplify right side
69,759,676.98x = 3,696,391,999,470,424 - Step 5: Solve for x
x = 3,696,391,999,470,424/69,759,676.98 - Step 6: Final answer
x = 52,987,515.99
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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.