Finding the Fourth Proportional to 250,960,019.80, 376,440,029.70 and 66,727,139.80
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Solution
The fourth proportional to 250,960,019.80, 376,440,029.70 and 66,727,139.80 is: 100,090,709.70
Step by Step Solution
- Step 1: Write the proportion equation
250,960,019.80 : 376,440,029.70 = 66,727,139.80 : x - Step 2: Convert to fraction form
250,960,019.80/376,440,029.70 = 66,727,139.80/x - Step 3: Cross multiply
250,960,019.80x = 376,440,029.70 × 66,727,139.80 - Step 4: Simplify right side
250,960,019.80x = 25,118,766,488,108,052 - Step 5: Solve for x
x = 25,118,766,488,108,052/250,960,019.80 - Step 6: Final answer
x = 100,090,709.70
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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.