Finding the Fourth Proportional to 178,759,939.80, 268,139,909.70 and 110,735,491.80
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Solution
The fourth proportional to 178,759,939.80, 268,139,909.70 and 110,735,491.80 is: 166,103,237.70
Step by Step Solution
- Step 1: Write the proportion equation
178,759,939.80 : 268,139,909.70 = 110,735,491.80 : x - Step 2: Convert to fraction form
178,759,939.80/268,139,909.70 = 110,735,491.80/x - Step 3: Cross multiply
178,759,939.80x = 268,139,909.70 × 110,735,491.80 - Step 4: Simplify right side
178,759,939.80x = 29,692,604,771,837,088 - Step 5: Solve for x
x = 29,692,604,771,837,088/178,759,939.80 - Step 6: Final answer
x = 166,103,237.70
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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.