Finding the Fourth Proportional to 126,961,852.53, 175,209,276.24 and 71,219,629.38
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Solution
The fourth proportional to 126,961,852.53, 175,209,276.24 and 71,219,629.38 is: 98,284,165.43
Step by Step Solution
- Step 1: Write the proportion equation
126,961,852.53 : 175,209,276.24 = 71,219,629.38 : x - Step 2: Convert to fraction form
126,961,852.53/175,209,276.24 = 71,219,629.38/x - Step 3: Cross multiply
126,961,852.53x = 175,209,276.24 × 71,219,629.38 - Step 4: Simplify right side
126,961,852.53x = 12,478,339,717,750,840 - Step 5: Solve for x
x = 12,478,339,717,750,840/126,961,852.53 - Step 6: Final answer
x = 98,284,165.43
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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.