Finding the Fourth Proportional to 106,310,934.40, 149,238,416 and 106,310,934.40
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Solution
The fourth proportional to 106,310,934.40, 149,238,416 and 106,310,934.40 is: 149,238,416
Step by Step Solution
- Step 1: Write the proportion equation
106,310,934.40 : 149,238,416 = 106,310,934.40 : x - Step 2: Convert to fraction form
106,310,934.40/149,238,416 = 106,310,934.40/x - Step 3: Cross multiply
106,310,934.40x = 149,238,416 × 106,310,934.40 - Step 4: Simplify right side
106,310,934.40x = 15,865,675,453,335,912 - Step 5: Solve for x
x = 15,865,675,453,335,912/106,310,934.40 - Step 6: Final answer
x = 149,238,416
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.