Finding the Fourth Proportional to 236,346,327.95, 326,212,352.12 and 138,592,676.75
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Solution
The fourth proportional to 236,346,327.95, 326,212,352.12 and 138,592,676.75 is: 191,289,805.35
Step by Step Solution
- Step 1: Write the proportion equation
236,346,327.95 : 326,212,352.12 = 138,592,676.75 : x - Step 2: Convert to fraction form
236,346,327.95/326,212,352.12 = 138,592,676.75/x - Step 3: Cross multiply
236,346,327.95x = 326,212,352.12 × 138,592,676.75 - Step 4: Simplify right side
236,346,327.95x = 45,210,643,067,939,760 - Step 5: Solve for x
x = 45,210,643,067,939,760/236,346,327.95 - Step 6: Final answer
x = 191,289,805.35
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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.