Finding the Fourth Proportional to 145,676,996.10, 201,028,272.32 and 79,599,762.59
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Solution
The fourth proportional to 145,676,996.10, 201,028,272.32 and 79,599,762.59 is: 109,844,403.56
Step by Step Solution
- Step 1: Write the proportion equation
145,676,996.10 : 201,028,272.32 = 79,599,762.59 : x - Step 2: Convert to fraction form
145,676,996.10/201,028,272.32 = 79,599,762.59/x - Step 3: Cross multiply
145,676,996.10x = 201,028,272.32 × 79,599,762.59 - Step 4: Simplify right side
145,676,996.10x = 16,001,802,749,743,724 - Step 5: Solve for x
x = 16,001,802,749,743,724/145,676,996.10 - Step 6: Final answer
x = 109,844,403.56
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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.