Finding the Fourth Proportional to 245,306,940.16, 368,124,042.94 and 127,240,514.96
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Solution
The fourth proportional to 245,306,940.16, 368,124,042.94 and 127,240,514.96 is: 190,945,648.59
Step by Step Solution
- Step 1: Write the proportion equation
245,306,940.16 : 368,124,042.94 = 127,240,514.96 : x - Step 2: Convert to fraction form
245,306,940.16/368,124,042.94 = 127,240,514.96/x - Step 3: Cross multiply
245,306,940.16x = 368,124,042.94 × 127,240,514.96 - Step 4: Simplify right side
245,306,940.16x = 46,840,292,792,842,752 - Step 5: Solve for x
x = 46,840,292,792,842,752/245,306,940.16 - Step 6: Final answer
x = 190,945,648.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.