Finding the Fourth Proportional to 48,408,051.30, 72,612,076.95 and 18,111,977.70
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Solution
The fourth proportional to 48,408,051.30, 72,612,076.95 and 18,111,977.70 is: 27,167,966.55
Step by Step Solution
- Step 1: Write the proportion equation
48,408,051.30 : 72,612,076.95 = 18,111,977.70 : x - Step 2: Convert to fraction form
48,408,051.30/72,612,076.95 = 18,111,977.70/x - Step 3: Cross multiply
48,408,051.30x = 72,612,076.95 × 18,111,977.70 - Step 4: Simplify right side
48,408,051.30x = 1,315,148,318,469,084 - Step 5: Solve for x
x = 1,315,148,318,469,084/48,408,051.30 - Step 6: Final answer
x = 27,167,966.55
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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.