Finding the Fourth Proportional to 98,411,201.20, 147,616,801.80 and 98,411,201.20
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Solution
The fourth proportional to 98,411,201.20, 147,616,801.80 and 98,411,201.20 is: 147,616,801.80
Step by Step Solution
- Step 1: Write the proportion equation
98,411,201.20 : 147,616,801.80 = 98,411,201.20 : x - Step 2: Convert to fraction form
98,411,201.20/147,616,801.80 = 98,411,201.20/x - Step 3: Cross multiply
98,411,201.20x = 147,616,801.80 × 98,411,201.20 - Step 4: Simplify right side
98,411,201.20x = 14,527,146,782,440,324 - Step 5: Solve for x
x = 14,527,146,782,440,324/98,411,201.20 - Step 6: Final answer
x = 147,616,801.80
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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.