Finding the Fourth Proportional to 97,069,069.80, 145,603,604.70 and 88,282,578.60
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Solution
The fourth proportional to 97,069,069.80, 145,603,604.70 and 88,282,578.60 is: 132,423,867.90
Step by Step Solution
- Step 1: Write the proportion equation
97,069,069.80 : 145,603,604.70 = 88,282,578.60 : x - Step 2: Convert to fraction form
97,069,069.80/145,603,604.70 = 88,282,578.60/x - Step 3: Cross multiply
97,069,069.80x = 145,603,604.70 × 88,282,578.60 - Step 4: Simplify right side
97,069,069.80x = 12,854,261,676,371,078 - Step 5: Solve for x
x = 12,854,261,676,371,078/97,069,069.80 - Step 6: Final answer
x = 132,423,867.90
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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.