Finding the Fourth Proportional to 145,676,869.80, 201,028,098.18 and 79,599,636.42
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Solution
The fourth proportional to 145,676,869.80, 201,028,098.18 and 79,599,636.42 is: 109,844,229.54
Step by Step Solution
- Step 1: Write the proportion equation
145,676,869.80 : 201,028,098.18 = 79,599,636.42 : x - Step 2: Convert to fraction form
145,676,869.80/201,028,098.18 = 79,599,636.42/x - Step 3: Cross multiply
145,676,869.80x = 201,028,098.18 × 79,599,636.42 - Step 4: Simplify right side
145,676,869.80x = 16,001,763,525,332,064 - Step 5: Solve for x
x = 16,001,763,525,332,064/145,676,869.80 - Step 6: Final answer
x = 109,844,229.54
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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.