Finding the Fourth Proportional to 329,147,152.30, 493,731,135.86 and 121,937,420.68
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Solution
The fourth proportional to 329,147,152.30, 493,731,135.86 and 121,937,420.68 is: 182,909,986.60
Step by Step Solution
- Step 1: Write the proportion equation
329,147,152.30 : 493,731,135.86 = 121,937,420.68 : x - Step 2: Convert to fraction form
329,147,152.30/493,731,135.86 = 121,937,420.68/x - Step 3: Cross multiply
329,147,152.30x = 493,731,135.86 × 121,937,420.68 - Step 4: Simplify right side
329,147,152.30x = 60,204,301,216,175,056 - Step 5: Solve for x
x = 60,204,301,216,175,056/329,147,152.30 - Step 6: Final answer
x = 182,909,986.60
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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.