Finding the Fourth Proportional to 141,415,306,928.08, 195,408,399,471.79 and 100,699,531,306.74
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Solution
The fourth proportional to 141,415,306,928.08, 195,408,399,471.79 and 100,699,531,306.74 is: 139,147,131,011.90
Step by Step Solution
- Step 1: Write the proportion equation
141,415,306,928.08 : 195,408,399,471.79 = 100,699,531,306.74 : x - Step 2: Convert to fraction form
141,415,306,928.08/195,408,399,471.79 = 100,699,531,306.74/x - Step 3: Cross multiply
141,415,306,928.08x = 195,408,399,471.79 × 100,699,531,306.74 - Step 4: Simplify right side
141,415,306,928.08x = 19,677,534,240,209,473,896,448 - Step 5: Solve for x
x = 19,677,534,240,209,473,896,448/141,415,306,928.08 - Step 6: Final answer
x = 139,147,131,011.90
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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.