Finding the Fourth Proportional to 122,483,210.40, 183,724,815.60 and 61,261,207.20
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Solution
The fourth proportional to 122,483,210.40, 183,724,815.60 and 61,261,207.20 is: 91,891,810.80
Step by Step Solution
- Step 1: Write the proportion equation
122,483,210.40 : 183,724,815.60 = 61,261,207.20 : x - Step 2: Convert to fraction form
122,483,210.40/183,724,815.60 = 61,261,207.20/x - Step 3: Cross multiply
122,483,210.40x = 183,724,815.60 × 61,261,207.20 - Step 4: Simplify right side
122,483,210.40x = 11,255,203,996,253,392 - Step 5: Solve for x
x = 11,255,203,996,253,392/122,483,210.40 - Step 6: Final answer
x = 91,891,810.80
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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.