Finding the Fourth Proportional to 172,374,106.20, 258,561,159.30 and 150,850,745.70
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Solution
The fourth proportional to 172,374,106.20, 258,561,159.30 and 150,850,745.70 is: 226,276,118.55
Step by Step Solution
- Step 1: Write the proportion equation
172,374,106.20 : 258,561,159.30 = 150,850,745.70 : x - Step 2: Convert to fraction form
172,374,106.20/258,561,159.30 = 150,850,745.70/x - Step 3: Cross multiply
172,374,106.20x = 258,561,159.30 × 150,850,745.70 - Step 4: Simplify right side
172,374,106.20x = 39,004,143,689,461,488 - Step 5: Solve for x
x = 39,004,143,689,461,488/172,374,106.20 - Step 6: Final answer
x = 226,276,118.55
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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.