Finding the Fourth Proportional to 219,912,246.12, 303,470,585.02 and 122,133,400.68
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Solution
The fourth proportional to 219,912,246.12, 303,470,585.02 and 122,133,400.68 is: 168,539,475.22
Step by Step Solution
- Step 1: Write the proportion equation
219,912,246.12 : 303,470,585.02 = 122,133,400.68 : x - Step 2: Convert to fraction form
219,912,246.12/303,470,585.02 = 122,133,400.68/x - Step 3: Cross multiply
219,912,246.12x = 303,470,585.02 × 122,133,400.68 - Step 4: Simplify right side
219,912,246.12x = 37,063,894,554,841,664 - Step 5: Solve for x
x = 37,063,894,554,841,664/219,912,246.12 - Step 6: Final answer
x = 168,539,475.22
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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.