Finding the Fourth Proportional to 135,431,714.05, 186,896,863.70 and 73,552,495.48
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Solution
The fourth proportional to 135,431,714.05, 186,896,863.70 and 73,552,495.48 is: 101,503,040.25
Step by Step Solution
- Step 1: Write the proportion equation
135,431,714.05 : 186,896,863.70 = 73,552,495.48 : x - Step 2: Convert to fraction form
135,431,714.05/186,896,863.70 = 73,552,495.48/x - Step 3: Cross multiply
135,431,714.05x = 186,896,863.70 × 73,552,495.48 - Step 4: Simplify right side
135,431,714.05x = 13,746,730,722,520,426 - Step 5: Solve for x
x = 13,746,730,722,520,426/135,431,714.05 - Step 6: Final answer
x = 101,503,040.25
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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.