Finding the Fourth Proportional to 99,664,385.70, 149,496,578.55 and 93,617,768.10
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Solution
The fourth proportional to 99,664,385.70, 149,496,578.55 and 93,617,768.10 is: 140,426,652.15
Step by Step Solution
- Step 1: Write the proportion equation
99,664,385.70 : 149,496,578.55 = 93,617,768.10 : x - Step 2: Convert to fraction form
99,664,385.70/149,496,578.55 = 93,617,768.10/x - Step 3: Cross multiply
99,664,385.70x = 149,496,578.55 × 93,617,768.10 - Step 4: Simplify right side
99,664,385.70x = 13,995,536,022,437,334 - Step 5: Solve for x
x = 13,995,536,022,437,334/99,664,385.70 - Step 6: Final answer
x = 140,426,652.15
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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.