Finding the Fourth Proportional to 219,424,517.13, 302,794,260.48 and 125,320,163.40
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Solution
The fourth proportional to 219,424,517.13, 302,794,260.48 and 125,320,163.40 is: 172,935,215.70
Step by Step Solution
- Step 1: Write the proportion equation
219,424,517.13 : 302,794,260.48 = 125,320,163.40 : x - Step 2: Convert to fraction form
219,424,517.13/302,794,260.48 = 125,320,163.40/x - Step 3: Cross multiply
219,424,517.13x = 302,794,260.48 × 125,320,163.40 - Step 4: Simplify right side
219,424,517.13x = 37,946,226,199,935,768 - Step 5: Solve for x
x = 37,946,226,199,935,768/219,424,517.13 - Step 6: Final answer
x = 172,935,215.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.