Finding the Fourth Proportional to 280,680,754.65, 387,319,778.10 and 163,197,749.99
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Solution
The fourth proportional to 280,680,754.65, 387,319,778.10 and 163,197,749.99 is: 225,201,462.03
Step by Step Solution
- Step 1: Write the proportion equation
280,680,754.65 : 387,319,778.10 = 163,197,749.99 : x - Step 2: Convert to fraction form
280,680,754.65/387,319,778.10 = 163,197,749.99/x - Step 3: Cross multiply
280,680,754.65x = 387,319,778.10 × 163,197,749.99 - Step 4: Simplify right side
280,680,754.65x = 63,209,716,310,609,488 - Step 5: Solve for x
x = 63,209,716,310,609,488/280,680,754.65 - Step 6: Final answer
x = 225,201,462.03
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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.