Finding the Fourth Proportional to 45,465,232.83, 68,240,964.87 and 28,141,029.53
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Solution
The fourth proportional to 45,465,232.83, 68,240,964.87 and 28,141,029.53 is: 42,238,231.02
Step by Step Solution
- Step 1: Write the proportion equation
45,465,232.83 : 68,240,964.87 = 28,141,029.53 : x - Step 2: Convert to fraction form
45,465,232.83/68,240,964.87 = 28,141,029.53/x - Step 3: Cross multiply
45,465,232.83x = 68,240,964.87 × 28,141,029.53 - Step 4: Simplify right side
45,465,232.83x = 1,920,371,007,421,657.50 - Step 5: Solve for x
x = 1,920,371,007,421,657.50/45,465,232.83 - Step 6: Final answer
x = 42,238,231.02
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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.