Finding the Fourth Proportional to 152,930,113.21, 229,466,914.35 and 76,259,120.14
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Solution
The fourth proportional to 152,930,113.21, 229,466,914.35 and 76,259,120.14 is: 114,424,455.87
Step by Step Solution
- Step 1: Write the proportion equation
152,930,113.21 : 229,466,914.35 = 76,259,120.14 : x - Step 2: Convert to fraction form
152,930,113.21/229,466,914.35 = 76,259,120.14/x - Step 3: Cross multiply
152,930,113.21x = 229,466,914.35 × 76,259,120.14 - Step 4: Simplify right side
152,930,113.21x = 17,498,944,989,571,740 - Step 5: Solve for x
x = 17,498,944,989,571,740/152,930,113.21 - Step 6: Final answer
x = 114,424,455.87
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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.