Finding the Fourth Proportional to 122,777,546.17, 184,195,349.40 and 39,779,164.39
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Solution
The fourth proportional to 122,777,546.17, 184,195,349.40 and 39,779,164.39 is: 59,678,152.17
Step by Step Solution
- Step 1: Write the proportion equation
122,777,546.17 : 184,195,349.40 = 39,779,164.39 : x - Step 2: Convert to fraction form
122,777,546.17/184,195,349.40 = 39,779,164.39/x - Step 3: Cross multiply
122,777,546.17x = 184,195,349.40 × 39,779,164.39 - Step 4: Simplify right side
122,777,546.17x = 7,327,137,082,735,111 - Step 5: Solve for x
x = 7,327,137,082,735,111/122,777,546.17 - Step 6: Final answer
x = 59,678,152.17
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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.