Finding the Fourth Proportional to 75,549,473.70, 113,324,210.55 and 73,869,857.70
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Solution
The fourth proportional to 75,549,473.70, 113,324,210.55 and 73,869,857.70 is: 110,804,786.55
Step by Step Solution
- Step 1: Write the proportion equation
75,549,473.70 : 113,324,210.55 = 73,869,857.70 : x - Step 2: Convert to fraction form
75,549,473.70/113,324,210.55 = 73,869,857.70/x - Step 3: Cross multiply
75,549,473.70x = 113,324,210.55 × 73,869,857.70 - Step 4: Simplify right side
75,549,473.70x = 8,371,243,307,293,339 - Step 5: Solve for x
x = 8,371,243,307,293,339/75,549,473.70 - Step 6: Final answer
x = 110,804,786.55
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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.