Finding the Fourth Proportional to 70,943,906.70, 106,415,860.05 and 41,767,795.80
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Solution
The fourth proportional to 70,943,906.70, 106,415,860.05 and 41,767,795.80 is: 62,651,693.70
Step by Step Solution
- Step 1: Write the proportion equation
70,943,906.70 : 106,415,860.05 = 41,767,795.80 : x - Step 2: Convert to fraction form
70,943,906.70/106,415,860.05 = 41,767,795.80/x - Step 3: Cross multiply
70,943,906.70x = 106,415,860.05 × 41,767,795.80 - Step 4: Simplify right side
70,943,906.70x = 4,444,755,912,449,777.50 - Step 5: Solve for x
x = 4,444,755,912,449,777.50/70,943,906.70 - Step 6: Final answer
x = 62,651,693.70
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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.