Finding the Fourth Proportional to 342,026,394.12, 471,983,778.90 and 185,390,138.08
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Solution
The fourth proportional to 342,026,394.12, 471,983,778.90 and 185,390,138.08 is: 255,831,536.52
Step by Step Solution
- Step 1: Write the proportion equation
342,026,394.12 : 471,983,778.90 = 185,390,138.08 : x - Step 2: Convert to fraction form
342,026,394.12/471,983,778.90 = 185,390,138.08/x - Step 3: Cross multiply
342,026,394.12x = 471,983,778.90 × 185,390,138.08 - Step 4: Simplify right side
342,026,394.12x = 87,501,137,938,504,304 - Step 5: Solve for x
x = 87,501,137,938,504,304/342,026,394.12 - Step 6: Final answer
x = 255,831,536.52
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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.