Finding the Fourth Proportional to 68,989,673.06, 103,484,509.68 and 28,039,517.99
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Solution
The fourth proportional to 68,989,673.06, 103,484,509.68 and 28,039,517.99 is: 42,059,277.02
Step by Step Solution
- Step 1: Write the proportion equation
68,989,673.06 : 103,484,509.68 = 28,039,517.99 : x - Step 2: Convert to fraction form
68,989,673.06/103,484,509.68 = 28,039,517.99/x - Step 3: Cross multiply
68,989,673.06x = 103,484,509.68 × 28,039,517.99 - Step 4: Simplify right side
68,989,673.06x = 2,901,655,770,341,266.50 - Step 5: Solve for x
x = 2,901,655,770,341,266.50/68,989,673.06 - Step 6: Final answer
x = 42,059,277.02
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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.