Finding the Fourth Proportional to 234,847,671.08, 324,070,490.70 and 128,995,615.98
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Solution
The fourth proportional to 234,847,671.08, 324,070,490.70 and 128,995,615.98 is: 178,003,351.61
Step by Step Solution
- Step 1: Write the proportion equation
234,847,671.08 : 324,070,490.70 = 128,995,615.98 : x - Step 2: Convert to fraction form
234,847,671.08/324,070,490.70 = 128,995,615.98/x - Step 3: Cross multiply
234,847,671.08x = 324,070,490.70 × 128,995,615.98 - Step 4: Simplify right side
234,847,671.08x = 41,803,672,568,142,384 - Step 5: Solve for x
x = 41,803,672,568,142,384/234,847,671.08 - Step 6: Final answer
x = 178,003,351.61
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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.