Finding the Fourth Proportional to 98,998,869,074.46, 136,621,739,310.39 and 55,602,801,393.18
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Solution
The fourth proportional to 98,998,869,074.46, 136,621,739,310.39 and 55,602,801,393.18 is: 76,733,719,363.53
Step by Step Solution
- Step 1: Write the proportion equation
98,998,869,074.46 : 136,621,739,310.39 = 55,602,801,393.18 : x - Step 2: Convert to fraction form
98,998,869,074.46/136,621,739,310.39 = 55,602,801,393.18/x - Step 3: Cross multiply
98,998,869,074.46x = 136,621,739,310.39 × 55,602,801,393.18 - Step 4: Simplify right side
98,998,869,074.46x = 7,596,551,436,866,428,076,032 - Step 5: Solve for x
x = 7,596,551,436,866,428,076,032/98,998,869,074.46 - Step 6: Final answer
x = 76,733,719,363.53
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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.