Finding the Fourth Proportional to 167,341,347.70, 251,012,021.55 and 167,341,347.70
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Solution
The fourth proportional to 167,341,347.70, 251,012,021.55 and 167,341,347.70 is: 251,012,021.55
Step by Step Solution
- Step 1: Write the proportion equation
167,341,347.70 : 251,012,021.55 = 167,341,347.70 : x - Step 2: Convert to fraction form
167,341,347.70/251,012,021.55 = 167,341,347.70/x - Step 3: Cross multiply
167,341,347.70x = 251,012,021.55 × 167,341,347.70 - Step 4: Simplify right side
167,341,347.70x = 42,004,689,975,078,440 - Step 5: Solve for x
x = 42,004,689,975,078,440/167,341,347.70 - Step 6: Final answer
x = 251,012,021.55
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1.5x scale
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.