Finding the Fourth Proportional to 99,298,518.68, 137,033,210.62 and 54,649,629.96
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Solution
The fourth proportional to 99,298,518.68, 137,033,210.62 and 54,649,629.96 is: 75,417,179.96
Step by Step Solution
- Step 1: Write the proportion equation
99,298,518.68 : 137,033,210.62 = 54,649,629.96 : x - Step 2: Convert to fraction form
99,298,518.68/137,033,210.62 = 54,649,629.96/x - Step 3: Cross multiply
99,298,518.68x = 137,033,210.62 × 54,649,629.96 - Step 4: Simplify right side
99,298,518.68x = 7,488,814,252,613,743 - Step 5: Solve for x
x = 7,488,814,252,613,743/99,298,518.68 - Step 6: Final answer
x = 75,417,179.96
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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.