Finding the Fourth Proportional to 147,167,294.47, 203,027,051.88 and 87,595,187.20
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Solution
The fourth proportional to 147,167,294.47, 203,027,051.88 and 87,595,187.20 is: 120,843,375.43
Step by Step Solution
- Step 1: Write the proportion equation
147,167,294.47 : 203,027,051.88 = 87,595,187.20 : x - Step 2: Convert to fraction form
147,167,294.47/203,027,051.88 = 87,595,187.20/x - Step 3: Cross multiply
147,167,294.47x = 203,027,051.88 × 87,595,187.20 - Step 4: Simplify right side
147,167,294.47x = 17,784,192,616,092,712 - Step 5: Solve for x
x = 17,784,192,616,092,712/147,167,294.47 - Step 6: Final answer
x = 120,843,375.43
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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.