Finding the Fourth Proportional to 82,774,630,979.61, 124,161,946,330.12 and 19,889,929,497.52
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Solution
The fourth proportional to 82,774,630,979.61, 124,161,946,330.12 and 19,889,929,497.52 is: 29,834,894,212.80
Step by Step Solution
- Step 1: Write the proportion equation
82,774,630,979.61 : 124,161,946,330.12 = 19,889,929,497.52 : x - Step 2: Convert to fraction form
82,774,630,979.61/124,161,946,330.12 = 19,889,929,497.52/x - Step 3: Cross multiply
82,774,630,979.61x = 124,161,946,330.12 × 19,889,929,497.52 - Step 4: Simplify right side
82,774,630,979.61x = 2,469,572,358,780,452,077,568 - Step 5: Solve for x
x = 2,469,572,358,780,452,077,568/82,774,630,979.61 - Step 6: Final answer
x = 29,834,894,212.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.