Finding the Fourth Proportional to 136,575,034,367.80, 188,466,080,623.70 and 74,763,646,543.08
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Solution
The fourth proportional to 136,575,034,367.80, 188,466,080,623.70 and 74,763,646,543.08 is: 103,169,744,765.83
Step by Step Solution
- Step 1: Write the proportion equation
136,575,034,367.80 : 188,466,080,623.70 = 74,763,646,543.08 : x - Step 2: Convert to fraction form
136,575,034,367.80/188,466,080,623.70 = 74,763,646,543.08/x - Step 3: Cross multiply
136,575,034,367.80x = 188,466,080,623.70 × 74,763,646,543.08 - Step 4: Simplify right side
136,575,034,367.80x = 14,090,411,437,109,926,690,816 - Step 5: Solve for x
x = 14,090,411,437,109,926,690,816/136,575,034,367.80 - Step 6: Final answer
x = 103,169,744,765.83
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1.5x scale
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.