Finding the Fourth Proportional to 127,175,059.05, 190,762,588.58 and 31,436,947.05
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Solution
The fourth proportional to 127,175,059.05, 190,762,588.58 and 31,436,947.05 is: 47,155,420.58
Step by Step Solution
- Step 1: Write the proportion equation
127,175,059.05 : 190,762,588.58 = 31,436,947.05 : x - Step 2: Convert to fraction form
127,175,059.05/190,762,588.58 = 31,436,947.05/x - Step 3: Cross multiply
127,175,059.05x = 190,762,588.58 × 31,436,947.05 - Step 4: Simplify right side
127,175,059.05x = 5,996,993,396,153,210 - Step 5: Solve for x
x = 5,996,993,396,153,210/127,175,059.05 - Step 6: Final answer
x = 47,155,420.58
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1.5x scale
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.