Finding the Fourth Proportional to 102,162,331.80, 153,243,497.70 and 97,123,483.80
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Solution
The fourth proportional to 102,162,331.80, 153,243,497.70 and 97,123,483.80 is: 145,685,225.70
Step by Step Solution
- Step 1: Write the proportion equation
102,162,331.80 : 153,243,497.70 = 97,123,483.80 : x - Step 2: Convert to fraction form
102,162,331.80/153,243,497.70 = 97,123,483.80/x - Step 3: Cross multiply
102,162,331.80x = 153,243,497.70 × 97,123,483.80 - Step 4: Simplify right side
102,162,331.80x = 14,883,542,366,321,286 - Step 5: Solve for x
x = 14,883,542,366,321,286/102,162,331.80 - Step 6: Final answer
x = 145,685,225.70
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1.5x scale
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.