Finding the Fourth Proportional to 197,336,073.21, 272,261,176.04 and 114,813,914.73
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Solution
The fourth proportional to 197,336,073.21, 272,261,176.04 and 114,813,914.73 is: 158,406,777.54
Step by Step Solution
- Step 1: Write the proportion equation
197,336,073.21 : 272,261,176.04 = 114,813,914.73 : x - Step 2: Convert to fraction form
197,336,073.21/272,261,176.04 = 114,813,914.73/x - Step 3: Cross multiply
197,336,073.21x = 272,261,176.04 × 114,813,914.73 - Step 4: Simplify right side
197,336,073.21x = 31,259,371,449,572,012 - Step 5: Solve for x
x = 31,259,371,449,572,012/197,336,073.21 - Step 6: Final answer
x = 158,406,777.54
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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.