Finding the Fourth Proportional to 99,829,169.70, 149,743,754.55 and 28,025,585.70
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Solution
The fourth proportional to 99,829,169.70, 149,743,754.55 and 28,025,585.70 is: 42,038,378.55
Step by Step Solution
- Step 1: Write the proportion equation
99,829,169.70 : 149,743,754.55 = 28,025,585.70 : x - Step 2: Convert to fraction form
99,829,169.70/149,743,754.55 = 28,025,585.70/x - Step 3: Cross multiply
99,829,169.70x = 149,743,754.55 × 28,025,585.70 - Step 4: Simplify right side
99,829,169.70x = 4,196,656,426,180,790 - Step 5: Solve for x
x = 4,196,656,426,180,790/99,829,169.70 - Step 6: Final answer
x = 42,038,378.55
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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.