Finding the Fourth Proportional to 126,336,077.24, 174,344,988.48 and 74,126,001.20
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Solution
The fourth proportional to 126,336,077.24, 174,344,988.48 and 74,126,001.20 is: 102,294,586.85
Step by Step Solution
- Step 1: Write the proportion equation
126,336,077.24 : 174,344,988.48 = 74,126,001.20 : x - Step 2: Convert to fraction form
126,336,077.24/174,344,988.48 = 74,126,001.20/x - Step 3: Cross multiply
126,336,077.24x = 174,344,988.48 × 74,126,001.20 - Step 4: Simplify right side
126,336,077.24x = 12,923,496,825,282,466 - Step 5: Solve for x
x = 12,923,496,825,282,466/126,336,077.24 - Step 6: Final answer
x = 102,294,586.85
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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.