Finding the Fourth Proportional to 156,116,634.12, 234,175,476.60 and 39,531,934.44
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Solution
The fourth proportional to 156,116,634.12, 234,175,476.60 and 39,531,934.44 is: 59,298,034.71
Step by Step Solution
- Step 1: Write the proportion equation
156,116,634.12 : 234,175,476.60 = 39,531,934.44 : x - Step 2: Convert to fraction form
156,116,634.12/234,175,476.60 = 39,531,934.44/x - Step 3: Cross multiply
156,116,634.12x = 234,175,476.60 × 39,531,934.44 - Step 4: Simplify right side
156,116,634.12x = 9,257,409,588,406,954 - Step 5: Solve for x
x = 9,257,409,588,406,954/156,116,634.12 - Step 6: Final answer
x = 59,298,034.71
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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.