Finding the Fourth Proportional to 96,740,469.76, 133,511,278.08 and 72,251,668.48
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Solution
The fourth proportional to 96,740,469.76, 133,511,278.08 and 72,251,668.48 is: 99,714,345.26
Step by Step Solution
- Step 1: Write the proportion equation
96,740,469.76 : 133,511,278.08 = 72,251,668.48 : x - Step 2: Convert to fraction form
96,740,469.76/133,511,278.08 = 72,251,668.48/x - Step 3: Cross multiply
96,740,469.76x = 133,511,278.08 × 72,251,668.48 - Step 4: Simplify right side
96,740,469.76x = 9,646,412,602,177,252 - Step 5: Solve for x
x = 9,646,412,602,177,252/96,740,469.76 - Step 6: Final answer
x = 99,714,345.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.