Finding the Fourth Proportional to 177,163,417.70, 265,745,126.55 and 99,360,455.30
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Solution
The fourth proportional to 177,163,417.70, 265,745,126.55 and 99,360,455.30 is: 149,040,682.95
Step by Step Solution
- Step 1: Write the proportion equation
177,163,417.70 : 265,745,126.55 = 99,360,455.30 : x - Step 2: Convert to fraction form
177,163,417.70/265,745,126.55 = 99,360,455.30/x - Step 3: Cross multiply
177,163,417.70x = 265,745,126.55 × 99,360,455.30 - Step 4: Simplify right side
177,163,417.70x = 26,404,556,767,764,120 - Step 5: Solve for x
x = 26,404,556,767,764,120/177,163,417.70 - Step 6: Final answer
x = 149,040,682.95
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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.