Finding the Fourth Proportional to 122,946,586.84, 184,367,385.53 and 71,166,930.40
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Solution
The fourth proportional to 122,946,586.84, 184,367,385.53 and 71,166,930.40 is: 106,720,009.33
Step by Step Solution
- Step 1: Write the proportion equation
122,946,586.84 : 184,367,385.53 = 71,166,930.40 : x - Step 2: Convert to fraction form
122,946,586.84/184,367,385.53 = 71,166,930.40/x - Step 3: Cross multiply
122,946,586.84x = 184,367,385.53 × 71,166,930.40 - Step 4: Simplify right side
122,946,586.84x = 13,120,860,894,184,978 - Step 5: Solve for x
x = 13,120,860,894,184,978/122,946,586.84 - Step 6: Final answer
x = 106,720,009.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.