Finding the Fourth Proportional to 160,897,172.80, 241,471,730.40 and 74,646,266.80
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Solution
The fourth proportional to 160,897,172.80, 241,471,730.40 and 74,646,266.80 is: 112,027,842.99
Step by Step Solution
- Step 1: Write the proportion equation
160,897,172.80 : 241,471,730.40 = 74,646,266.80 : x - Step 2: Convert to fraction form
160,897,172.80/241,471,730.40 = 74,646,266.80/x - Step 3: Cross multiply
160,897,172.80x = 241,471,730.40 × 74,646,266.80 - Step 4: Simplify right side
160,897,172.80x = 18,024,963,212,096,072 - Step 5: Solve for x
x = 18,024,963,212,096,072/160,897,172.80 - Step 6: Final answer
x = 112,027,842.99
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1.5x scale
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.