Finding the Fourth Proportional to 168,509,920.70, 252,764,881.05 and 149,378,044.70
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Solution
The fourth proportional to 168,509,920.70, 252,764,881.05 and 149,378,044.70 is: 224,067,067.05
Step by Step Solution
- Step 1: Write the proportion equation
168,509,920.70 : 252,764,881.05 = 149,378,044.70 : x - Step 2: Convert to fraction form
168,509,920.70/252,764,881.05 = 149,378,044.70/x - Step 3: Cross multiply
168,509,920.70x = 252,764,881.05 × 149,378,044.70 - Step 4: Simplify right side
168,509,920.70x = 37,757,523,700,077,080 - Step 5: Solve for x
x = 37,757,523,700,077,080/168,509,920.70 - Step 6: Final answer
x = 224,067,067.05
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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.