Finding the Fourth Proportional to 306,560,031.80, 459,840,047.70 and 136,358,943.80
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Solution
The fourth proportional to 306,560,031.80, 459,840,047.70 and 136,358,943.80 is: 204,538,415.70
Step by Step Solution
- Step 1: Write the proportion equation
306,560,031.80 : 459,840,047.70 = 136,358,943.80 : x - Step 2: Convert to fraction form
306,560,031.80/459,840,047.70 = 136,358,943.80/x - Step 3: Cross multiply
306,560,031.80x = 459,840,047.70 × 136,358,943.80 - Step 4: Simplify right side
306,560,031.80x = 62,703,303,221,313,624 - Step 5: Solve for x
x = 62,703,303,221,313,624/306,560,031.80 - Step 6: Final answer
x = 204,538,415.70
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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.