Finding the Fourth Proportional to 87,413,860.84, 120,627,966.36 and 48,254,797.12
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Solution
The fourth proportional to 87,413,860.84, 120,627,966.36 and 48,254,797.12 is: 66,589,874.74
Step by Step Solution
- Step 1: Write the proportion equation
87,413,860.84 : 120,627,966.36 = 48,254,797.12 : x - Step 2: Convert to fraction form
87,413,860.84/120,627,966.36 = 48,254,797.12/x - Step 3: Cross multiply
87,413,860.84x = 120,627,966.36 × 48,254,797.12 - Step 4: Simplify right side
87,413,860.84x = 5,820,878,043,699,985 - Step 5: Solve for x
x = 5,820,878,043,699,985/87,413,860.84 - Step 6: Final answer
x = 66,589,874.74
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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.