Finding the Fourth Proportional to 55,651,748.80, 83,440,298.40 and 25,344,011.20
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Solution
The fourth proportional to 55,651,748.80, 83,440,298.40 and 25,344,011.20 is: 37,999,018.95
Step by Step Solution
- Step 1: Write the proportion equation
55,651,748.80 : 83,440,298.40 = 25,344,011.20 : x - Step 2: Convert to fraction form
55,651,748.80/83,440,298.40 = 25,344,011.20/x - Step 3: Cross multiply
55,651,748.80x = 83,440,298.40 × 25,344,011.20 - Step 4: Simplify right side
55,651,748.80x = 2,114,711,857,180,942.25 - Step 5: Solve for x
x = 2,114,711,857,180,942.25/55,651,748.80 - Step 6: Final answer
x = 37,999,018.95
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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.