Finding the Fourth Proportional to 86,627,651.13, 119,546,124.35 and 47,996,483.13
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Solution
The fourth proportional to 86,627,651.13, 119,546,124.35 and 47,996,483.13 is: 66,235,127.76
Step by Step Solution
- Step 1: Write the proportion equation
86,627,651.13 : 119,546,124.35 = 47,996,483.13 : x - Step 2: Convert to fraction form
86,627,651.13/119,546,124.35 = 47,996,483.13/x - Step 3: Cross multiply
86,627,651.13x = 119,546,124.35 × 47,996,483.13 - Step 4: Simplify right side
86,627,651.13x = 5,737,793,540,381,675 - Step 5: Solve for x
x = 5,737,793,540,381,675/86,627,651.13 - Step 6: Final answer
x = 66,235,127.76
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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.