Finding the Fourth Proportional to 75,351,208.19, 103,977,559.98 and 42,305,003.15
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Solution
The fourth proportional to 75,351,208.19, 103,977,559.98 and 42,305,003.15 is: 58,376,914.03
Step by Step Solution
- Step 1: Write the proportion equation
75,351,208.19 : 103,977,559.98 = 42,305,003.15 : x - Step 2: Convert to fraction form
75,351,208.19/103,977,559.98 = 42,305,003.15/x - Step 3: Cross multiply
75,351,208.19x = 103,977,559.98 × 42,305,003.15 - Step 4: Simplify right side
75,351,208.19x = 4,398,771,001,963,326.50 - Step 5: Solve for x
x = 4,398,771,001,963,326.50/75,351,208.19 - Step 6: Final answer
x = 58,376,914.03
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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.