Finding the Fourth Proportional to 110,128,277.20, 165,192,415.80 and 92,212,373.20
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Solution
The fourth proportional to 110,128,277.20, 165,192,415.80 and 92,212,373.20 is: 138,318,559.80
Step by Step Solution
- Step 1: Write the proportion equation
110,128,277.20 : 165,192,415.80 = 92,212,373.20 : x - Step 2: Convert to fraction form
110,128,277.20/165,192,415.80 = 92,212,373.20/x - Step 3: Cross multiply
110,128,277.20x = 165,192,415.80 × 92,212,373.20 - Step 4: Simplify right side
110,128,277.20x = 15,232,784,695,559,178 - Step 5: Solve for x
x = 15,232,784,695,559,178/110,128,277.20 - Step 6: Final answer
x = 138,318,559.80
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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.