Finding the Fourth Proportional to 149,153,455,902.14, 205,831,851,573.18 and 80,564,868,614.09
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Solution
The fourth proportional to 149,153,455,902.14, 205,831,851,573.18 and 80,564,868,614.09 is: 111,179,563,210.84
Step by Step Solution
- Step 1: Write the proportion equation
149,153,455,902.14 : 205,831,851,573.18 = 80,564,868,614.09 : x - Step 2: Convert to fraction form
149,153,455,902.14/205,831,851,573.18 = 80,564,868,614.09/x - Step 3: Cross multiply
149,153,455,902.14x = 205,831,851,573.18 × 80,564,868,614.09 - Step 4: Simplify right side
149,153,455,902.14x = 16,582,816,078,587,091,746,816 - Step 5: Solve for x
x = 16,582,816,078,587,091,746,816/149,153,455,902.14 - Step 6: Final answer
x = 111,179,563,210.84
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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.