Finding the Fourth Proportional to 209,953,802.70, 314,930,704.05 and 119,254,538.70
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Solution
The fourth proportional to 209,953,802.70, 314,930,704.05 and 119,254,538.70 is: 178,881,808.05
Step by Step Solution
- Step 1: Write the proportion equation
209,953,802.70 : 314,930,704.05 = 119,254,538.70 : x - Step 2: Convert to fraction form
209,953,802.70/314,930,704.05 = 119,254,538.70/x - Step 3: Cross multiply
209,953,802.70x = 314,930,704.05 × 119,254,538.70 - Step 4: Simplify right side
209,953,802.70x = 37,556,915,833,948,976 - Step 5: Solve for x
x = 37,556,915,833,948,976/209,953,802.70 - Step 6: Final answer
x = 178,881,808.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.