Finding the Fourth Proportional to 178,276,126.08, 267,437,983.68 and 70,545,555.84
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Solution
The fourth proportional to 178,276,126.08, 267,437,983.68 and 70,545,555.84 is: 105,827,749.49
Step by Step Solution
- Step 1: Write the proportion equation
178,276,126.08 : 267,437,983.68 = 70,545,555.84 : x - Step 2: Convert to fraction form
178,276,126.08/267,437,983.68 = 70,545,555.84/x - Step 3: Cross multiply
178,276,126.08x = 267,437,983.68 × 70,545,555.84 - Step 4: Simplify right side
178,276,126.08x = 18,866,561,211,434,452 - Step 5: Solve for x
x = 18,866,561,211,434,452/178,276,126.08 - Step 6: Final answer
x = 105,827,749.49
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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.