Finding the Fourth Proportional to 56,649,042.64, 84,651,076.21 and 42,535,264.12
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Solution
The fourth proportional to 56,649,042.64, 84,651,076.21 and 42,535,264.12 is: 63,560,754.37
Step by Step Solution
- Step 1: Write the proportion equation
56,649,042.64 : 84,651,076.21 = 42,535,264.12 : x - Step 2: Convert to fraction form
56,649,042.64/84,651,076.21 = 42,535,264.12/x - Step 3: Cross multiply
56,649,042.64x = 84,651,076.21 × 42,535,264.12 - Step 4: Simplify right side
56,649,042.64x = 3,600,655,884,634,598 - Step 5: Solve for x
x = 3,600,655,884,634,598/56,649,042.64 - Step 6: Final answer
x = 63,560,754.37
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.