Finding the Fourth Proportional to 161,289,969.70, 241,934,954.55 and 40,121,421.70
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Solution
The fourth proportional to 161,289,969.70, 241,934,954.55 and 40,121,421.70 is: 60,182,132.55
Step by Step Solution
- Step 1: Write the proportion equation
161,289,969.70 : 241,934,954.55 = 40,121,421.70 : x - Step 2: Convert to fraction form
161,289,969.70/241,934,954.55 = 40,121,421.70/x - Step 3: Cross multiply
161,289,969.70x = 241,934,954.55 × 40,121,421.70 - Step 4: Simplify right side
161,289,969.70x = 9,706,774,335,470,884 - Step 5: Solve for x
x = 9,706,774,335,470,884/161,289,969.70 - Step 6: Final answer
x = 60,182,132.55
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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.