Finding the Fourth Proportional to 165,397,488.20, 247,718,318.70 and 97,373,040.20
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Solution
The fourth proportional to 165,397,488.20, 247,718,318.70 and 97,373,040.20 is: 145,837,074.48
Step by Step Solution
- Step 1: Write the proportion equation
165,397,488.20 : 247,718,318.70 = 97,373,040.20 : x - Step 2: Convert to fraction form
165,397,488.20/247,718,318.70 = 97,373,040.20/x - Step 3: Cross multiply
165,397,488.20x = 247,718,318.70 × 97,373,040.20 - Step 4: Simplify right side
165,397,488.20x = 24,121,085,805,051,512 - Step 5: Solve for x
x = 24,121,085,805,051,512/165,397,488.20 - Step 6: Final answer
x = 145,837,074.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.