Finding the Fourth Proportional to 129,489,134.20, 194,233,701.30 and 88,674,465.40
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Solution
The fourth proportional to 129,489,134.20, 194,233,701.30 and 88,674,465.40 is: 133,011,698.10
Step by Step Solution
- Step 1: Write the proportion equation
129,489,134.20 : 194,233,701.30 = 88,674,465.40 : x - Step 2: Convert to fraction form
129,489,134.20/194,233,701.30 = 88,674,465.40/x - Step 3: Cross multiply
129,489,134.20x = 194,233,701.30 × 88,674,465.40 - Step 4: Simplify right side
129,489,134.20x = 17,223,569,625,440,788 - Step 5: Solve for x
x = 17,223,569,625,440,788/129,489,134.20 - Step 6: Final answer
x = 133,011,698.10
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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.