Finding the Fourth Proportional to 73,354,564.30, 110,031,846.45 and 51,831,203.80
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Solution
The fourth proportional to 73,354,564.30, 110,031,846.45 and 51,831,203.80 is: 77,746,805.70
Step by Step Solution
- Step 1: Write the proportion equation
73,354,564.30 : 110,031,846.45 = 51,831,203.80 : x - Step 2: Convert to fraction form
73,354,564.30/110,031,846.45 = 51,831,203.80/x - Step 3: Cross multiply
73,354,564.30x = 110,031,846.45 × 51,831,203.80 - Step 4: Simplify right side
73,354,564.30x = 5,703,083,057,840,256 - Step 5: Solve for x
x = 5,703,083,057,840,256/73,354,564.30 - Step 6: Final answer
x = 77,746,805.70
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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.