Finding the Fourth Proportional to 124,416,601.20, 186,624,901.80 and 121,762,393.20
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Solution
The fourth proportional to 124,416,601.20, 186,624,901.80 and 121,762,393.20 is: 182,643,589.80
Step by Step Solution
- Step 1: Write the proportion equation
124,416,601.20 : 186,624,901.80 = 121,762,393.20 : x - Step 2: Convert to fraction form
124,416,601.20/186,624,901.80 = 121,762,393.20/x - Step 3: Cross multiply
124,416,601.20x = 186,624,901.80 × 121,762,393.20 - Step 4: Simplify right side
124,416,601.20x = 22,723,894,673,882,988 - Step 5: Solve for x
x = 22,723,894,673,882,988/124,416,601.20 - Step 6: Final answer
x = 182,643,589.80
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1.5x scale
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.