Finding the Fourth Proportional to 269,716,444.48, 372,117,578.80 and 175,587,731.20
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Solution
The fourth proportional to 269,716,444.48, 372,117,578.80 and 175,587,731.20 is: 242,251,752.68
Step by Step Solution
- Step 1: Write the proportion equation
269,716,444.48 : 372,117,578.80 = 175,587,731.20 : x - Step 2: Convert to fraction form
269,716,444.48/372,117,578.80 = 175,587,731.20/x - Step 3: Cross multiply
269,716,444.48x = 372,117,578.80 × 175,587,731.20 - Step 4: Simplify right side
269,716,444.48x = 65,339,281,401,129,216 - Step 5: Solve for x
x = 65,339,281,401,129,216/269,716,444.48 - Step 6: Final answer
x = 242,251,752.68
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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.