Finding the Fourth Proportional to 157,564,231.88, 217,474,919.70 and 92,395,131.08
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Solution
The fourth proportional to 157,564,231.88, 217,474,919.70 and 92,395,131.08 is: 127,526,555.19
Step by Step Solution
- Step 1: Write the proportion equation
157,564,231.88 : 217,474,919.70 = 92,395,131.08 : x - Step 2: Convert to fraction form
157,564,231.88/217,474,919.70 = 92,395,131.08/x - Step 3: Cross multiply
157,564,231.88x = 217,474,919.70 × 92,395,131.08 - Step 4: Simplify right side
157,564,231.88x = 20,093,623,712,293,972 - Step 5: Solve for x
x = 20,093,623,712,293,972/157,564,231.88 - Step 6: Final answer
x = 127,526,555.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.