Finding the Fourth Proportional to 75,857,742.14, 104,658,058.19 and 49,384,041.53
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Solution
The fourth proportional to 75,857,742.14, 104,658,058.19 and 49,384,041.53 is: 68,133,294.59
Step by Step Solution
- Step 1: Write the proportion equation
75,857,742.14 : 104,658,058.19 = 49,384,041.53 : x - Step 2: Convert to fraction form
75,857,742.14/104,658,058.19 = 49,384,041.53/x - Step 3: Cross multiply
75,857,742.14x = 104,658,058.19 × 49,384,041.53 - Step 4: Simplify right side
75,857,742.14x = 5,168,437,891,704,286 - Step 5: Solve for x
x = 5,168,437,891,704,286/75,857,742.14 - Step 6: Final answer
x = 68,133,294.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.