Finding the Fourth Proportional to 134,738,175.23, 185,939,793.90 and 74,389,113.08
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Solution
The fourth proportional to 134,738,175.23, 185,939,793.90 and 74,389,113.08 is: 102,657,590.03
Step by Step Solution
- Step 1: Write the proportion equation
134,738,175.23 : 185,939,793.90 = 74,389,113.08 : x - Step 2: Convert to fraction form
134,738,175.23/185,939,793.90 = 74,389,113.08/x - Step 3: Cross multiply
134,738,175.23x = 185,939,793.90 × 74,389,113.08 - Step 4: Simplify right side
134,738,175.23x = 13,831,896,354,498,994 - Step 5: Solve for x
x = 13,831,896,354,498,994/134,738,175.23 - Step 6: Final answer
x = 102,657,590.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.