Finding the Fourth Proportional to 159,761,729.20, 239,642,593.80 and 73,668,287.20
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Solution
The fourth proportional to 159,761,729.20, 239,642,593.80 and 73,668,287.20 is: 110,502,430.80
Step by Step Solution
- Step 1: Write the proportion equation
159,761,729.20 : 239,642,593.80 = 73,668,287.20 : x - Step 2: Convert to fraction form
159,761,729.20/239,642,593.80 = 73,668,287.20/x - Step 3: Cross multiply
159,761,729.20x = 239,642,593.80 × 73,668,287.20 - Step 4: Simplify right side
159,761,729.20x = 17,654,059,425,411,340 - Step 5: Solve for x
x = 17,654,059,425,411,340/159,761,729.20 - Step 6: Final answer
x = 110,502,430.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.