Finding the Fourth Proportional to 168,512,153.82, 232,547,632.20 and 94,173,955.08
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Solution
The fourth proportional to 168,512,153.82, 232,547,632.20 and 94,173,955.08 is: 129,960,538.59
Step by Step Solution
- Step 1: Write the proportion equation
168,512,153.82 : 232,547,632.20 = 94,173,955.08 : x - Step 2: Convert to fraction form
168,512,153.82/232,547,632.20 = 94,173,955.08/x - Step 3: Cross multiply
168,512,153.82x = 232,547,632.20 × 94,173,955.08 - Step 4: Simplify right side
168,512,153.82x = 21,899,930,268,763,160 - Step 5: Solve for x
x = 21,899,930,268,763,160/168,512,153.82 - Step 6: Final answer
x = 129,960,538.59
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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.