Finding the Fourth Proportional to 154,322,603.81, 232,407,709.96 and 140,547,653.09
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Solution
The fourth proportional to 154,322,603.81, 232,407,709.96 and 140,547,653.09 is: 211,662,824.42
Step by Step Solution
- Step 1: Write the proportion equation
154,322,603.81 : 232,407,709.96 = 140,547,653.09 : x - Step 2: Convert to fraction form
154,322,603.81/232,407,709.96 = 140,547,653.09/x - Step 3: Cross multiply
154,322,603.81x = 232,407,709.96 × 140,547,653.09 - Step 4: Simplify right side
154,322,603.81x = 32,664,358,194,899,420 - Step 5: Solve for x
x = 32,664,358,194,899,420/154,322,603.81 - Step 6: Final answer
x = 211,662,824.42
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.