Finding the Fourth Proportional to 74,889,029.10, 112,333,543.65 and 74,889,029.10
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Solution
The fourth proportional to 74,889,029.10, 112,333,543.65 and 74,889,029.10 is: 112,333,543.65
Step by Step Solution
- Step 1: Write the proportion equation
74,889,029.10 : 112,333,543.65 = 74,889,029.10 : x - Step 2: Convert to fraction form
74,889,029.10/112,333,543.65 = 74,889,029.10/x - Step 3: Cross multiply
74,889,029.10x = 112,333,543.65 × 74,889,029.10 - Step 4: Simplify right side
74,889,029.10x = 8,412,550,019,310,970 - Step 5: Solve for x
x = 8,412,550,019,310,970/74,889,029.10 - Step 6: Final answer
x = 112,333,543.65
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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.