Finding the Fourth Proportional to 68,382,163,241.40, 102,573,244,862.10 and 29,127,521,782.20
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Solution
The fourth proportional to 68,382,163,241.40, 102,573,244,862.10 and 29,127,521,782.20 is: 43,691,282,673.30
Step by Step Solution
- Step 1: Write the proportion equation
68,382,163,241.40 : 102,573,244,862.10 = 29,127,521,782.20 : x - Step 2: Convert to fraction form
68,382,163,241.40/102,573,244,862.10 = 29,127,521,782.20/x - Step 3: Cross multiply
68,382,163,241.40x = 102,573,244,862.10 × 29,127,521,782.20 - Step 4: Simplify right side
68,382,163,241.40x = 2,987,704,423,991,751,999,488 - Step 5: Solve for x
x = 2,987,704,423,991,751,999,488/68,382,163,241.40 - Step 6: Final answer
x = 43,691,282,673.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.