Finding the Fourth Proportional to 80,207,876.74, 110,688,629.62 and 48,847,395.46
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Solution
The fourth proportional to 80,207,876.74, 110,688,629.62 and 48,847,395.46 is: 67,410,477.42
Step by Step Solution
- Step 1: Write the proportion equation
80,207,876.74 : 110,688,629.62 = 48,847,395.46 : x - Step 2: Convert to fraction form
80,207,876.74/110,688,629.62 = 48,847,395.46/x - Step 3: Cross multiply
80,207,876.74x = 110,688,629.62 × 48,847,395.46 - Step 4: Simplify right side
80,207,876.74x = 5,406,851,263,973,610 - Step 5: Solve for x
x = 5,406,851,263,973,610/80,207,876.74 - Step 6: Final answer
x = 67,410,477.42
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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.