Finding the Fourth Proportional to 212,120,031.36, 292,691,915.36 and 119,282,610.32
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Solution
The fourth proportional to 212,120,031.36, 292,691,915.36 and 119,282,610.32 is: 164,591,035.84
Step by Step Solution
- Step 1: Write the proportion equation
212,120,031.36 : 292,691,915.36 = 119,282,610.32 : x - Step 2: Convert to fraction form
212,120,031.36/292,691,915.36 = 119,282,610.32/x - Step 3: Cross multiply
212,120,031.36x = 292,691,915.36 × 119,282,610.32 - Step 4: Simplify right side
212,120,031.36x = 34,913,055,683,701,304 - Step 5: Solve for x
x = 34,913,055,683,701,304/212,120,031.36 - Step 6: Final answer
x = 164,591,035.84
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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.