Finding the Fourth Proportional to 80,592,458.22, 120,876,877.53 and 39,640,905.09
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Solution
The fourth proportional to 80,592,458.22, 120,876,877.53 and 39,640,905.09 is: 59,455,548.76
Step by Step Solution
- Step 1: Write the proportion equation
80,592,458.22 : 120,876,877.53 = 39,640,905.09 : x - Step 2: Convert to fraction form
80,592,458.22/120,876,877.53 = 39,640,905.09/x - Step 3: Cross multiply
80,592,458.22x = 120,876,877.53 × 39,640,905.09 - Step 4: Simplify right side
80,592,458.22x = 4,791,668,829,742,284 - Step 5: Solve for x
x = 4,791,668,829,742,284/80,592,458.22 - Step 6: Final answer
x = 59,455,548.76
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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.