Finding the Fourth Proportional to 135,445,179.28, 186,913,319.54 and 73,565,960.70
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Solution
The fourth proportional to 135,445,179.28, 186,913,319.54 and 73,565,960.70 is: 101,520,467.49
Step by Step Solution
- Step 1: Write the proportion equation
135,445,179.28 : 186,913,319.54 = 73,565,960.70 : x - Step 2: Convert to fraction form
135,445,179.28/186,913,319.54 = 73,565,960.70/x - Step 3: Cross multiply
135,445,179.28x = 186,913,319.54 × 73,565,960.70 - Step 4: Simplify right side
135,445,179.28x = 13,750,457,919,586,182 - Step 5: Solve for x
x = 13,750,457,919,586,182/135,445,179.28 - Step 6: Final answer
x = 101,520,467.49
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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.