Finding the Fourth Proportional to 275,887,495.44, 380,582,263.68 and 171,425,877.84
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Solution
The fourth proportional to 275,887,495.44, 380,582,263.68 and 171,425,877.84 is: 236,479,179.81
Step by Step Solution
- Step 1: Write the proportion equation
275,887,495.44 : 380,582,263.68 = 171,425,877.84 : x - Step 2: Convert to fraction form
275,887,495.44/380,582,263.68 = 171,425,877.84/x - Step 3: Cross multiply
275,887,495.44x = 380,582,263.68 × 171,425,877.84 - Step 4: Simplify right side
275,887,495.44x = 65,241,648,641,678,352 - Step 5: Solve for x
x = 65,241,648,641,678,352/275,887,495.44 - Step 6: Final answer
x = 236,479,179.81
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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.