Finding the Fourth Proportional to 83,992,893.80, 125,989,340.70 and 23,408,619.80
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Solution
The fourth proportional to 83,992,893.80, 125,989,340.70 and 23,408,619.80 is: 35,112,929.70
Step by Step Solution
- Step 1: Write the proportion equation
83,992,893.80 : 125,989,340.70 = 23,408,619.80 : x - Step 2: Convert to fraction form
83,992,893.80/125,989,340.70 = 23,408,619.80/x - Step 3: Cross multiply
83,992,893.80x = 125,989,340.70 × 23,408,619.80 - Step 4: Simplify right side
83,992,893.80x = 2,949,236,575,298,966 - Step 5: Solve for x
x = 2,949,236,575,298,966/83,992,893.80 - Step 6: Final answer
x = 35,112,929.70
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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.