Finding the Fourth Proportional to 220,626,447.99, 304,460,783.95 and 121,516,425.06
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Solution
The fourth proportional to 220,626,447.99, 304,460,783.95 and 121,516,425.06 is: 167,690,620.84
Step by Step Solution
- Step 1: Write the proportion equation
220,626,447.99 : 304,460,783.95 = 121,516,425.06 : x - Step 2: Convert to fraction form
220,626,447.99/304,460,783.95 = 121,516,425.06/x - Step 3: Cross multiply
220,626,447.99x = 304,460,783.95 × 121,516,425.06 - Step 4: Simplify right side
220,626,447.99x = 36,996,986,036,569,024 - Step 5: Solve for x
x = 36,996,986,036,569,024/220,626,447.99 - Step 6: Final answer
x = 167,690,620.84
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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.