Finding the Fourth Proportional to 83,022,176.80, 124,586,409.30 and 48,478,511.80
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Solution
The fourth proportional to 83,022,176.80, 124,586,409.30 and 48,478,511.80 is: 72,748,799.73
Step by Step Solution
- Step 1: Write the proportion equation
83,022,176.80 : 124,586,409.30 = 48,478,511.80 : x - Step 2: Convert to fraction form
83,022,176.80/124,586,409.30 = 48,478,511.80/x - Step 3: Cross multiply
83,022,176.80x = 124,586,409.30 × 48,478,511.80 - Step 4: Simplify right side
83,022,176.80x = 6,039,763,713,369,679 - Step 5: Solve for x
x = 6,039,763,713,369,679/83,022,176.80 - Step 6: Final answer
x = 72,748,799.73
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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.