Finding the Fourth Proportional to 168,572,722.10, 252,859,083.15 and 110,374,027.70
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Solution
The fourth proportional to 168,572,722.10, 252,859,083.15 and 110,374,027.70 is: 165,561,041.55
Step by Step Solution
- Step 1: Write the proportion equation
168,572,722.10 : 252,859,083.15 = 110,374,027.70 : x - Step 2: Convert to fraction form
168,572,722.10/252,859,083.15 = 110,374,027.70/x - Step 3: Cross multiply
168,572,722.10x = 252,859,083.15 × 110,374,027.70 - Step 4: Simplify right side
168,572,722.10x = 27,909,075,447,794,704 - Step 5: Solve for x
x = 27,909,075,447,794,704/168,572,722.10 - Step 6: Final answer
x = 165,561,041.55
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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.