Finding the Fourth Proportional to 159,673,233.60, 239,509,850.40 and 87,113,822.40
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Solution
The fourth proportional to 159,673,233.60, 239,509,850.40 and 87,113,822.40 is: 130,670,733.60
Step by Step Solution
- Step 1: Write the proportion equation
159,673,233.60 : 239,509,850.40 = 87,113,822.40 : x - Step 2: Convert to fraction form
159,673,233.60/239,509,850.40 = 87,113,822.40/x - Step 3: Cross multiply
159,673,233.60x = 239,509,850.40 × 87,113,822.40 - Step 4: Simplify right side
159,673,233.60x = 20,864,618,570,796,172 - Step 5: Solve for x
x = 20,864,618,570,796,172/159,673,233.60 - Step 6: Final answer
x = 130,670,733.60
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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.