Finding the Fourth Proportional to 124,217,934.30, 186,361,468.20 and 54,194,290.02
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Solution
The fourth proportional to 124,217,934.30, 186,361,468.20 and 54,194,290.02 is: 81,306,515.95
Step by Step Solution
- Step 1: Write the proportion equation
124,217,934.30 : 186,361,468.20 = 54,194,290.02 : x - Step 2: Convert to fraction form
124,217,934.30/186,361,468.20 = 54,194,290.02/x - Step 3: Cross multiply
124,217,934.30x = 186,361,468.20 × 54,194,290.02 - Step 4: Simplify right side
124,217,934.30x = 10,099,727,456,183,808 - Step 5: Solve for x
x = 10,099,727,456,183,808/124,217,934.30 - Step 6: Final answer
x = 81,306,515.95
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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.