Finding the Fourth Proportional to 292,272,253.43, 438,552,422.71 and 136,836,586.58
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Solution
The fourth proportional to 292,272,253.43, 438,552,422.71 and 136,836,586.58 is: 205,322,317.99
Step by Step Solution
- Step 1: Write the proportion equation
292,272,253.43 : 438,552,422.71 = 136,836,586.58 : x - Step 2: Convert to fraction form
292,272,253.43/438,552,422.71 = 136,836,586.58/x - Step 3: Cross multiply
292,272,253.43x = 438,552,422.71 × 136,836,586.58 - Step 4: Simplify right side
292,272,253.43x = 60,010,016,557,490,808 - Step 5: Solve for x
x = 60,010,016,557,490,808/292,272,253.43 - Step 6: Final answer
x = 205,322,317.99
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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.