Finding the Fourth Proportional to 132,730,053.12, 199,094,146.56 and 36,991,941.12
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Solution
The fourth proportional to 132,730,053.12, 199,094,146.56 and 36,991,941.12 is: 55,487,651.62
Step by Step Solution
- Step 1: Write the proportion equation
132,730,053.12 : 199,094,146.56 = 36,991,941.12 : x - Step 2: Convert to fraction form
132,730,053.12/199,094,146.56 = 36,991,941.12/x - Step 3: Cross multiply
132,730,053.12x = 199,094,146.56 × 36,991,941.12 - Step 4: Simplify right side
132,730,053.12x = 7,364,878,946,884,170 - Step 5: Solve for x
x = 7,364,878,946,884,170/132,730,053.12 - Step 6: Final answer
x = 55,487,651.62
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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.