Finding the Fourth Proportional to 54,204,887,621.72, 74,804,538,844.28 and 29,791,163,213.62
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Solution
The fourth proportional to 54,204,887,621.72, 74,804,538,844.28 and 29,791,163,213.62 is: 41,112,791,181.89
Step by Step Solution
- Step 1: Write the proportion equation
54,204,887,621.72 : 74,804,538,844.28 = 29,791,163,213.62 : x - Step 2: Convert to fraction form
54,204,887,621.72/74,804,538,844.28 = 29,791,163,213.62/x - Step 3: Cross multiply
54,204,887,621.72x = 74,804,538,844.28 × 29,791,163,213.62 - Step 4: Simplify right side
54,204,887,621.72x = 2,228,514,225,829,522,440,192 - Step 5: Solve for x
x = 2,228,514,225,829,522,440,192/54,204,887,621.72 - Step 6: Final answer
x = 41,112,791,181.89
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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.