Finding the Fourth Proportional to 165,596,876.70, 248,395,315.05 and 164,463,135.90
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Solution
The fourth proportional to 165,596,876.70, 248,395,315.05 and 164,463,135.90 is: 246,694,703.85
Step by Step Solution
- Step 1: Write the proportion equation
165,596,876.70 : 248,395,315.05 = 164,463,135.90 : x - Step 2: Convert to fraction form
165,596,876.70/248,395,315.05 = 164,463,135.90/x - Step 3: Cross multiply
165,596,876.70x = 248,395,315.05 × 164,463,135.90 - Step 4: Simplify right side
165,596,876.70x = 40,851,872,455,991,472 - Step 5: Solve for x
x = 40,851,872,455,991,472/165,596,876.70 - Step 6: Final answer
x = 246,694,703.85
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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.