Finding the Fourth Proportional to 240,584,172.08, 332,009,342.52 and 130,577,203.76
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Solution
The fourth proportional to 240,584,172.08, 332,009,342.52 and 130,577,203.76 is: 180,198,269.88
Step by Step Solution
- Step 1: Write the proportion equation
240,584,172.08 : 332,009,342.52 = 130,577,203.76 : x - Step 2: Convert to fraction form
240,584,172.08/332,009,342.52 = 130,577,203.76/x - Step 3: Cross multiply
240,584,172.08x = 332,009,342.52 × 130,577,203.76 - Step 4: Simplify right side
240,584,172.08x = 43,352,851,568,457,672 - Step 5: Solve for x
x = 43,352,851,568,457,672/240,584,172.08 - Step 6: Final answer
x = 180,198,269.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.