Finding the Fourth Proportional to 102,162,402.80, 153,243,604.20 and 97,123,554.80
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Solution
The fourth proportional to 102,162,402.80, 153,243,604.20 and 97,123,554.80 is: 145,685,332.20
Step by Step Solution
- Step 1: Write the proportion equation
102,162,402.80 : 153,243,604.20 = 97,123,554.80 : x - Step 2: Convert to fraction form
102,162,402.80/153,243,604.20 = 97,123,554.80/x - Step 3: Cross multiply
102,162,402.80x = 153,243,604.20 × 97,123,554.80 - Step 4: Simplify right side
102,162,402.80x = 14,883,563,590,268,208 - Step 5: Solve for x
x = 14,883,563,590,268,208/102,162,402.80 - Step 6: Final answer
x = 145,685,332.20
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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.