Finding the Fourth Proportional to 54,419,649.58, 75,149,023.93 and 34,579,953.76
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Solution
The fourth proportional to 54,419,649.58, 75,149,023.93 and 34,579,953.76 is: 47,752,048.99
Step by Step Solution
- Step 1: Write the proportion equation
54,419,649.58 : 75,149,023.93 = 34,579,953.76 : x - Step 2: Convert to fraction form
54,419,649.58/75,149,023.93 = 34,579,953.76/x - Step 3: Cross multiply
54,419,649.58x = 75,149,023.93 × 34,579,953.76 - Step 4: Simplify right side
54,419,649.58x = 2,598,649,772,475,115 - Step 5: Solve for x
x = 2,598,649,772,475,115/54,419,649.58 - Step 6: Final answer
x = 47,752,048.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.