Finding the Fourth Proportional to 201,351,783.45, 277,708,045.86 and 130,810,122.05
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Solution
The fourth proportional to 201,351,783.45, 277,708,045.86 and 130,810,122.05 is: 180,415,702.05
Step by Step Solution
- Step 1: Write the proportion equation
201,351,783.45 : 277,708,045.86 = 130,810,122.05 : x - Step 2: Convert to fraction form
201,351,783.45/277,708,045.86 = 130,810,122.05/x - Step 3: Cross multiply
201,351,783.45x = 277,708,045.86 × 130,810,122.05 - Step 4: Simplify right side
201,351,783.45x = 36,327,023,371,825,056 - Step 5: Solve for x
x = 36,327,023,371,825,056/201,351,783.45 - Step 6: Final answer
x = 180,415,702.05
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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.