Finding the Fourth Proportional to 159,859,624.29, 220,611,630.83 and 97,968,010.29
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Solution
The fourth proportional to 159,859,624.29, 220,611,630.83 and 97,968,010.29 is: 135,199,132.46
Step by Step Solution
- Step 1: Write the proportion equation
159,859,624.29 : 220,611,630.83 = 97,968,010.29 : x - Step 2: Convert to fraction form
159,859,624.29/220,611,630.83 = 97,968,010.29/x - Step 3: Cross multiply
159,859,624.29x = 220,611,630.83 × 97,968,010.29 - Step 4: Simplify right side
159,859,624.29x = 21,612,882,518,757,280 - Step 5: Solve for x
x = 21,612,882,518,757,280/159,859,624.29 - Step 6: Final answer
x = 135,199,132.46
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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.