Finding the Fourth Proportional to 62,775,931.20, 94,163,896.80 and 32,493,076.80
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Solution
The fourth proportional to 62,775,931.20, 94,163,896.80 and 32,493,076.80 is: 48,739,615.20
Step by Step Solution
- Step 1: Write the proportion equation
62,775,931.20 : 94,163,896.80 = 32,493,076.80 : x - Step 2: Convert to fraction form
62,775,931.20/94,163,896.80 = 32,493,076.80/x - Step 3: Cross multiply
62,775,931.20x = 94,163,896.80 × 32,493,076.80 - Step 4: Simplify right side
62,775,931.20x = 3,059,674,730,509,674 - Step 5: Solve for x
x = 3,059,674,730,509,674/62,775,931.20 - Step 6: Final answer
x = 48,739,615.20
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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.