Finding the Fourth Proportional to 74,901,902.40, 112,380,847.20 and 29,495,350.08
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Solution
The fourth proportional to 74,901,902.40, 112,380,847.20 and 29,495,350.08 is: 44,254,048.62
Step by Step Solution
- Step 1: Write the proportion equation
74,901,902.40 : 112,380,847.20 = 29,495,350.08 : x - Step 2: Convert to fraction form
74,901,902.40/112,380,847.20 = 29,495,350.08/x - Step 3: Cross multiply
74,901,902.40x = 112,380,847.20 × 29,495,350.08 - Step 4: Simplify right side
74,901,902.40x = 3,314,712,430,450,987.50 - Step 5: Solve for x
x = 3,314,712,430,450,987.50/74,901,902.40 - Step 6: Final answer
x = 44,254,048.62
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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.