Finding the Fourth Proportional to 81,683,480.63, 112,719,923.37 and 44,512,968.67
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Solution
The fourth proportional to 81,683,480.63, 112,719,923.37 and 44,512,968.67 is: 61,426,109.40
Step by Step Solution
- Step 1: Write the proportion equation
81,683,480.63 : 112,719,923.37 = 44,512,968.67 : x - Step 2: Convert to fraction form
81,683,480.63/112,719,923.37 = 44,512,968.67/x - Step 3: Cross multiply
81,683,480.63x = 112,719,923.37 × 44,512,968.67 - Step 4: Simplify right side
81,683,480.63x = 5,017,498,417,171,811 - Step 5: Solve for x
x = 5,017,498,417,171,811/81,683,480.63 - Step 6: Final answer
x = 61,426,109.40
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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.