Finding the Fourth Proportional to 141,722,425.60, 212,583,638.40 and 107,458,259.20
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Solution
The fourth proportional to 141,722,425.60, 212,583,638.40 and 107,458,259.20 is: 161,187,388.80
Step by Step Solution
- Step 1: Write the proportion equation
141,722,425.60 : 212,583,638.40 = 107,458,259.20 : x - Step 2: Convert to fraction form
141,722,425.60/212,583,638.40 = 107,458,259.20/x - Step 3: Cross multiply
141,722,425.60x = 212,583,638.40 × 107,458,259.20 - Step 4: Simplify right side
141,722,425.60x = 22,843,867,716,866,276 - Step 5: Solve for x
x = 22,843,867,716,866,276/141,722,425.60 - Step 6: Final answer
x = 161,187,388.80
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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.