Finding the Fourth Proportional to 93,431,207.70, 140,146,811.55 and 93,431,207.70
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Solution
The fourth proportional to 93,431,207.70, 140,146,811.55 and 93,431,207.70 is: 140,146,811.55
Step by Step Solution
- Step 1: Write the proportion equation
93,431,207.70 : 140,146,811.55 = 93,431,207.70 : x - Step 2: Convert to fraction form
93,431,207.70/140,146,811.55 = 93,431,207.70/x - Step 3: Cross multiply
93,431,207.70x = 140,146,811.55 × 93,431,207.70 - Step 4: Simplify right side
93,431,207.70x = 13,094,085,858,420,810 - Step 5: Solve for x
x = 13,094,085,858,420,810/93,431,207.70 - Step 6: Final answer
x = 140,146,811.55
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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.