Finding the Fourth Proportional to 381,357,955.05, 572,042,247.17 and 108,728,722.05
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Solution
The fourth proportional to 381,357,955.05, 572,042,247.17 and 108,728,722.05 is: 163,094,598.31
Step by Step Solution
- Step 1: Write the proportion equation
381,357,955.05 : 572,042,247.17 = 108,728,722.05 : x - Step 2: Convert to fraction form
381,357,955.05/572,042,247.17 = 108,728,722.05/x - Step 3: Cross multiply
381,357,955.05x = 572,042,247.17 × 108,728,722.05 - Step 4: Simplify right side
381,357,955.05x = 62,197,422,492,860,680 - Step 5: Solve for x
x = 62,197,422,492,860,680/381,357,955.05 - Step 6: Final answer
x = 163,094,598.31
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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.