Finding the Fourth Proportional to 219,316,446.70, 328,972,132.74 and 53,320,893.46
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Solution
The fourth proportional to 219,316,446.70, 328,972,132.74 and 53,320,893.46 is: 79,980,723.31
Step by Step Solution
- Step 1: Write the proportion equation
219,316,446.70 : 328,972,132.74 = 53,320,893.46 : x - Step 2: Convert to fraction form
219,316,446.70/328,972,132.74 = 53,320,893.46/x - Step 3: Cross multiply
219,316,446.70x = 328,972,132.74 × 53,320,893.46 - Step 4: Simplify right side
219,316,446.70x = 17,541,088,041,138,518 - Step 5: Solve for x
x = 17,541,088,041,138,518/219,316,446.70 - Step 6: Final answer
x = 79,980,723.31
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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.