Finding the Fourth Proportional to 54,663,805.04, 75,432,456.24 and 31,455,186.08
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Solution
The fourth proportional to 54,663,805.04, 75,432,456.24 and 31,455,186.08 is: 43,406,088.28
Step by Step Solution
- Step 1: Write the proportion equation
54,663,805.04 : 75,432,456.24 = 31,455,186.08 : x - Step 2: Convert to fraction form
54,663,805.04/75,432,456.24 = 31,455,186.08/x - Step 3: Cross multiply
54,663,805.04x = 75,432,456.24 × 31,455,186.08 - Step 4: Simplify right side
54,663,805.04x = 2,372,741,947,500,657 - Step 5: Solve for x
x = 2,372,741,947,500,657/54,663,805.04 - Step 6: Final answer
x = 43,406,088.28
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1.5x scale
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.