Finding the Fourth Proportional to 135,445,176.27, 186,913,315.40 and 73,565,957.70
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Solution
The fourth proportional to 135,445,176.27, 186,913,315.40 and 73,565,957.70 is: 101,520,463.35
Step by Step Solution
- Step 1: Write the proportion equation
135,445,176.27 : 186,913,315.40 = 73,565,957.70 : x - Step 2: Convert to fraction form
135,445,176.27/186,913,315.40 = 73,565,957.70/x - Step 3: Cross multiply
135,445,176.27x = 186,913,315.40 × 73,565,957.70 - Step 4: Simplify right side
135,445,176.27x = 13,750,457,053,915,330 - Step 5: Solve for x
x = 13,750,457,053,915,330/135,445,176.27 - Step 6: Final answer
x = 101,520,463.35
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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.