Finding the Fourth Proportional to 100,998,725.87, 139,378,301.55 and 56,344,698.05
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Solution
The fourth proportional to 100,998,725.87, 139,378,301.55 and 56,344,698.05 is: 77,755,716.69
Step by Step Solution
- Step 1: Write the proportion equation
100,998,725.87 : 139,378,301.55 = 56,344,698.05 : x - Step 2: Convert to fraction form
100,998,725.87/139,378,301.55 = 56,344,698.05/x - Step 3: Cross multiply
100,998,725.87x = 139,378,301.55 × 56,344,698.05 - Step 4: Simplify right side
100,998,725.87x = 7,853,228,314,859,706 - Step 5: Solve for x
x = 7,853,228,314,859,706/100,998,725.87 - Step 6: Final answer
x = 77,755,716.69
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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.