Finding the Fourth Proportional to 104,899,752.80, 157,349,629.20 and 66,636,000.80
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Solution
The fourth proportional to 104,899,752.80, 157,349,629.20 and 66,636,000.80 is: 99,954,001.20
Step by Step Solution
- Step 1: Write the proportion equation
104,899,752.80 : 157,349,629.20 = 66,636,000.80 : x - Step 2: Convert to fraction form
104,899,752.80/157,349,629.20 = 66,636,000.80/x - Step 3: Cross multiply
104,899,752.80x = 157,349,629.20 × 66,636,000.80 - Step 4: Simplify right side
104,899,752.80x = 10,485,150,017,250,902 - Step 5: Solve for x
x = 10,485,150,017,250,902/104,899,752.80 - Step 6: Final answer
x = 99,954,001.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.