Finding the Fourth Proportional to 228,696,788.07, 315,606,239.60 and 124,281,585.63
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Solution
The fourth proportional to 228,696,788.07, 315,606,239.60 and 124,281,585.63 is: 171,511,127.12
Step by Step Solution
- Step 1: Write the proportion equation
228,696,788.07 : 315,606,239.60 = 124,281,585.63 : x - Step 2: Convert to fraction form
228,696,788.07/315,606,239.60 = 124,281,585.63/x - Step 3: Cross multiply
228,696,788.07x = 315,606,239.60 × 124,281,585.63 - Step 4: Simplify right side
228,696,788.07x = 39,224,043,891,588,288 - Step 5: Solve for x
x = 39,224,043,891,588,288/228,696,788.07 - Step 6: Final answer
x = 171,511,127.12
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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.