Finding the Fourth Proportional to 155,392,377.75, 232,886,148.45 and 63,168,390.20
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Solution
The fourth proportional to 155,392,377.75, 232,886,148.45 and 63,168,390.20 is: 94,670,300.50
Step by Step Solution
- Step 1: Write the proportion equation
155,392,377.75 : 232,886,148.45 = 63,168,390.20 : x - Step 2: Convert to fraction form
155,392,377.75/232,886,148.45 = 63,168,390.20/x - Step 3: Cross multiply
155,392,377.75x = 232,886,148.45 × 63,168,390.20 - Step 4: Simplify right side
155,392,377.75x = 14,711,043,096,300,294 - Step 5: Solve for x
x = 14,711,043,096,300,294/155,392,377.75 - Step 6: Final answer
x = 94,670,300.50
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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.