Finding the Fourth Proportional to 93,306,469.32, 128,762,982.35 and 52,053,361.70
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Solution
The fourth proportional to 93,306,469.32, 128,762,982.35 and 52,053,361.70 is: 71,833,669.65
Step by Step Solution
- Step 1: Write the proportion equation
93,306,469.32 : 128,762,982.35 = 52,053,361.70 : x - Step 2: Convert to fraction form
93,306,469.32/128,762,982.35 = 52,053,361.70/x - Step 3: Cross multiply
93,306,469.32x = 128,762,982.35 × 52,053,361.70 - Step 4: Simplify right side
93,306,469.32x = 6,702,546,093,126,384 - Step 5: Solve for x
x = 6,702,546,093,126,384/93,306,469.32 - Step 6: Final answer
x = 71,833,669.65
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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.