Finding the Fourth Proportional to 286,593,350.40, 395,498,929.92 and 162,834,190.08
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Solution
The fourth proportional to 286,593,350.40, 395,498,929.92 and 162,834,190.08 is: 224,711,242.75
Step by Step Solution
- Step 1: Write the proportion equation
286,593,350.40 : 395,498,929.92 = 162,834,190.08 : x - Step 2: Convert to fraction form
286,593,350.40/395,498,929.92 = 162,834,190.08/x - Step 3: Cross multiply
286,593,350.40x = 395,498,929.92 × 162,834,190.08 - Step 4: Simplify right side
286,593,350.40x = 64,400,747,931,029,888 - Step 5: Solve for x
x = 64,400,747,931,029,888/286,593,350.40 - Step 6: Final answer
x = 224,711,242.75
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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.