Finding the Fourth Proportional to 145,676,863.80, 201,028,089.92 and 79,599,630.42
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Solution
The fourth proportional to 145,676,863.80, 201,028,089.92 and 79,599,630.42 is: 109,844,221.27
Step by Step Solution
- Step 1: Write the proportion equation
145,676,863.80 : 201,028,089.92 = 79,599,630.42 : x - Step 2: Convert to fraction form
145,676,863.80/201,028,089.92 = 79,599,630.42/x - Step 3: Cross multiply
145,676,863.80x = 201,028,089.92 × 79,599,630.42 - Step 4: Simplify right side
145,676,863.80x = 16,001,761,661,272,528 - Step 5: Solve for x
x = 16,001,761,661,272,528/145,676,863.80 - Step 6: Final answer
x = 109,844,221.27
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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.