Finding the Fourth Proportional to 145,582,510.81, 218,482,222.67 and 106,821,124.95
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Solution
The fourth proportional to 145,582,510.81, 218,482,222.67 and 106,821,124.95 is: 160,311,267.32
Step by Step Solution
- Step 1: Write the proportion equation
145,582,510.81 : 218,482,222.67 = 106,821,124.95 : x - Step 2: Convert to fraction form
145,582,510.81/218,482,222.67 = 106,821,124.95/x - Step 3: Cross multiply
145,582,510.81x = 218,482,222.67 × 106,821,124.95 - Step 4: Simplify right side
145,582,510.81x = 23,338,516,807,185,792 - Step 5: Solve for x
x = 23,338,516,807,185,792/145,582,510.81 - Step 6: Final answer
x = 160,311,267.32
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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.