Finding the Fourth Proportional to 126,426,164,518.99, 189,563,514,514.30 and 40,239,186,951.61
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Solution
The fourth proportional to 126,426,164,518.99, 189,563,514,514.30 and 40,239,186,951.61 is: 60,334,676,202.24
Step by Step Solution
- Step 1: Write the proportion equation
126,426,164,518.99 : 189,563,514,514.30 = 40,239,186,951.61 : x - Step 2: Convert to fraction form
126,426,164,518.99/189,563,514,514.30 = 40,239,186,951.61/x - Step 3: Cross multiply
126,426,164,518.99x = 189,563,514,514.30 × 40,239,186,951.61 - Step 4: Simplify right side
126,426,164,518.99x = 7,627,881,699,744,206,028,800 - Step 5: Solve for x
x = 7,627,881,699,744,206,028,800/126,426,164,518.99 - Step 6: Final answer
x = 60,334,676,202.24
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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.