Finding the Fourth Proportional to 66,331,228.30, 99,402,364.05 and 48,923,583.10
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Solution
The fourth proportional to 66,331,228.30, 99,402,364.05 and 48,923,583.10 is: 73,315,690.70
Step by Step Solution
- Step 1: Write the proportion equation
66,331,228.30 : 99,402,364.05 = 48,923,583.10 : x - Step 2: Convert to fraction form
66,331,228.30/99,402,364.05 = 48,923,583.10/x - Step 3: Cross multiply
66,331,228.30x = 99,402,364.05 × 48,923,583.10 - Step 4: Simplify right side
66,331,228.30x = 4,863,119,817,936,628 - Step 5: Solve for x
x = 4,863,119,817,936,628/66,331,228.30 - Step 6: Final answer
x = 73,315,690.70
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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.