Finding the Fourth Proportional to 286,880,203.44, 395,892,831.42 and 163,120,869.63
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Solution
The fourth proportional to 286,880,203.44, 395,892,831.42 and 163,120,869.63 is: 225,105,748.56
Step by Step Solution
- Step 1: Write the proportion equation
286,880,203.44 : 395,892,831.42 = 163,120,869.63 : x - Step 2: Convert to fraction form
286,880,203.44/395,892,831.42 = 163,120,869.63/x - Step 3: Cross multiply
286,880,203.44x = 395,892,831.42 × 163,120,869.63 - Step 4: Simplify right side
286,880,203.44x = 64,578,382,941,513,392 - Step 5: Solve for x
x = 64,578,382,941,513,392/286,880,203.44 - Step 6: Final answer
x = 225,105,748.56
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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.