Finding the Fourth Proportional to 157,465,454.60, 236,198,181.90 and 48,307,473.20
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Solution
The fourth proportional to 157,465,454.60, 236,198,181.90 and 48,307,473.20 is: 72,461,209.80
Step by Step Solution
- Step 1: Write the proportion equation
157,465,454.60 : 236,198,181.90 = 48,307,473.20 : x - Step 2: Convert to fraction form
157,465,454.60/236,198,181.90 = 48,307,473.20/x - Step 3: Cross multiply
157,465,454.60x = 236,198,181.90 × 48,307,473.20 - Step 4: Simplify right side
157,465,454.60x = 11,410,137,342,022,976 - Step 5: Solve for x
x = 11,410,137,342,022,976/157,465,454.60 - Step 6: Final answer
x = 72,461,209.80
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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.