Finding the Fourth Proportional to 254,465,470.91, 351,190,784.71 and 154,049,235.97
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Solution
The fourth proportional to 254,465,470.91, 351,190,784.71 and 154,049,235.97 is: 212,605,159.64
Step by Step Solution
- Step 1: Write the proportion equation
254,465,470.91 : 351,190,784.71 = 154,049,235.97 : x - Step 2: Convert to fraction form
254,465,470.91/351,190,784.71 = 154,049,235.97/x - Step 3: Cross multiply
254,465,470.91x = 351,190,784.71 × 154,049,235.97 - Step 4: Simplify right side
254,465,470.91x = 54,100,672,064,465,696 - Step 5: Solve for x
x = 54,100,672,064,465,696/254,465,470.91 - Step 6: Final answer
x = 212,605,159.64
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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.