Finding the Fourth Proportional to 180,075,564.72, 270,474,925.68 and 107,434,272.24
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Solution
The fourth proportional to 180,075,564.72, 270,474,925.68 and 107,434,272.24 is: 161,367,128.54
Step by Step Solution
- Step 1: Write the proportion equation
180,075,564.72 : 270,474,925.68 = 107,434,272.24 : x - Step 2: Convert to fraction form
180,075,564.72/270,474,925.68 = 107,434,272.24/x - Step 3: Cross multiply
180,075,564.72x = 270,474,925.68 × 107,434,272.24 - Step 4: Simplify right side
180,075,564.72x = 29,058,276,799,598,888 - Step 5: Solve for x
x = 29,058,276,799,598,888/180,075,564.72 - Step 6: Final answer
x = 161,367,128.54
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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.