Finding the Fourth Proportional to 125,212,955.20, 187,819,432.80 and 125,212,955.20
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Solution
The fourth proportional to 125,212,955.20, 187,819,432.80 and 125,212,955.20 is: 187,819,432.80
Step by Step Solution
- Step 1: Write the proportion equation
125,212,955.20 : 187,819,432.80 = 125,212,955.20 : x - Step 2: Convert to fraction form
125,212,955.20/187,819,432.80 = 125,212,955.20/x - Step 3: Cross multiply
125,212,955.20x = 187,819,432.80 × 125,212,955.20 - Step 4: Simplify right side
125,212,955.20x = 23,517,426,224,875,812 - Step 5: Solve for x
x = 23,517,426,224,875,812/125,212,955.20 - Step 6: Final answer
x = 187,819,432.80
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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.