Finding the Fourth Proportional to 179,183,854.10, 268,775,781.15 and 71,555,719.70
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Solution
The fourth proportional to 179,183,854.10, 268,775,781.15 and 71,555,719.70 is: 107,333,579.55
Step by Step Solution
- Step 1: Write the proportion equation
179,183,854.10 : 268,775,781.15 = 71,555,719.70 : x - Step 2: Convert to fraction form
179,183,854.10/268,775,781.15 = 71,555,719.70/x - Step 3: Cross multiply
179,183,854.10x = 268,775,781.15 × 71,555,719.70 - Step 4: Simplify right side
179,183,854.10x = 19,232,444,458,117,944 - Step 5: Solve for x
x = 19,232,444,458,117,944/179,183,854.10 - Step 6: Final answer
x = 107,333,579.55
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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.