Finding the Fourth Proportional to 140,963,212.80, 211,444,819.20 and 97,965,043.20
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Solution
The fourth proportional to 140,963,212.80, 211,444,819.20 and 97,965,043.20 is: 146,947,564.80
Step by Step Solution
- Step 1: Write the proportion equation
140,963,212.80 : 211,444,819.20 = 97,965,043.20 : x - Step 2: Convert to fraction form
140,963,212.80/211,444,819.20 = 97,965,043.20/x - Step 3: Cross multiply
140,963,212.80x = 211,444,819.20 × 97,965,043.20 - Step 4: Simplify right side
140,963,212.80x = 20,714,200,847,344,188 - Step 5: Solve for x
x = 20,714,200,847,344,188/140,963,212.80 - Step 6: Final answer
x = 146,947,564.80
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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.