Finding the Fourth Proportional to 156,135,670,396.90, 215,387,926,677.28 and 101,973,922,827.98
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Solution
The fourth proportional to 156,135,670,396.90, 215,387,926,677.28 and 101,973,922,827.98 is: 140,672,222,799.79
Step by Step Solution
- Step 1: Write the proportion equation
156,135,670,396.90 : 215,387,926,677.28 = 101,973,922,827.98 : x - Step 2: Convert to fraction form
156,135,670,396.90/215,387,926,677.28 = 101,973,922,827.98/x - Step 3: Cross multiply
156,135,670,396.90x = 215,387,926,677.28 × 101,973,922,827.98 - Step 4: Simplify right side
156,135,670,396.90x = 21,963,951,813,067,563,597,824 - Step 5: Solve for x
x = 21,963,951,813,067,563,597,824/156,135,670,396.90 - Step 6: Final answer
x = 140,672,222,799.79
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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.