Finding the Fourth Proportional to 96,740,471.76, 133,511,280.84 and 72,251,670.48
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Solution
The fourth proportional to 96,740,471.76, 133,511,280.84 and 72,251,670.48 is: 99,714,348.02
Step by Step Solution
- Step 1: Write the proportion equation
96,740,471.76 : 133,511,280.84 = 72,251,670.48 : x - Step 2: Convert to fraction form
96,740,471.76/133,511,280.84 = 72,251,670.48/x - Step 3: Cross multiply
96,740,471.76x = 133,511,280.84 × 72,251,670.48 - Step 4: Simplify right side
96,740,471.76x = 9,646,413,068,614,418 - Step 5: Solve for x
x = 9,646,413,068,614,418/96,740,471.76 - Step 6: Final answer
x = 99,714,348.02
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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.