Finding the Fourth Proportional to 122,929,126.60, 184,403,021.10 and 36,660,800.20
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Solution
The fourth proportional to 122,929,126.60, 184,403,021.10 and 36,660,800.20 is: 54,993,983.12
Step by Step Solution
- Step 1: Write the proportion equation
122,929,126.60 : 184,403,021.10 = 36,660,800.20 : x - Step 2: Convert to fraction form
122,929,126.60/184,403,021.10 = 36,660,800.20/x - Step 3: Cross multiply
122,929,126.60x = 184,403,021.10 × 36,660,800.20 - Step 4: Simplify right side
122,929,126.60x = 6,760,362,312,823,485 - Step 5: Solve for x
x = 6,760,362,312,823,485/122,929,126.60 - Step 6: Final answer
x = 54,993,983.12
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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.