Finding the Fourth Proportional to 351,020,211.80, 526,530,317.70 and 169,621,683.80
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Solution
The fourth proportional to 351,020,211.80, 526,530,317.70 and 169,621,683.80 is: 254,432,525.70
Step by Step Solution
- Step 1: Write the proportion equation
351,020,211.80 : 526,530,317.70 = 169,621,683.80 : x - Step 2: Convert to fraction form
351,020,211.80/526,530,317.70 = 169,621,683.80/x - Step 3: Cross multiply
351,020,211.80x = 526,530,317.70 × 169,621,683.80 - Step 4: Simplify right side
351,020,211.80x = 89,310,959,060,022,944 - Step 5: Solve for x
x = 89,310,959,060,022,944/351,020,211.80 - Step 6: Final answer
x = 254,432,525.70
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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.