Finding the Fourth Proportional to 113,786,194.62, 157,024,948.74 and 61,575,230.28
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Solution
The fourth proportional to 113,786,194.62, 157,024,948.74 and 61,575,230.28 is: 84,973,817.88
Step by Step Solution
- Step 1: Write the proportion equation
113,786,194.62 : 157,024,948.74 = 61,575,230.28 : x - Step 2: Convert to fraction form
113,786,194.62/157,024,948.74 = 61,575,230.28/x - Step 3: Cross multiply
113,786,194.62x = 157,024,948.74 × 61,575,230.28 - Step 4: Simplify right side
113,786,194.62x = 9,668,847,378,370,696 - Step 5: Solve for x
x = 9,668,847,378,370,696/113,786,194.62 - Step 6: Final answer
x = 84,973,817.88
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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.