Finding the Fourth Proportional to 272,873,465.58, 376,603,787.97 and 173,722,540.08
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Solution
The fourth proportional to 272,873,465.58, 376,603,787.97 and 173,722,540.08 is: 239,761,555.82
Step by Step Solution
- Step 1: Write the proportion equation
272,873,465.58 : 376,603,787.97 = 173,722,540.08 : x - Step 2: Convert to fraction form
272,873,465.58/376,603,787.97 = 173,722,540.08/x - Step 3: Cross multiply
272,873,465.58x = 376,603,787.97 × 173,722,540.08 - Step 4: Simplify right side
272,873,465.58x = 65,424,566,649,898,160 - Step 5: Solve for x
x = 65,424,566,649,898,160/272,873,465.58 - Step 6: Final answer
x = 239,761,555.82
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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.