Finding the Fourth Proportional to 270,230,533.88, 372,918,686.26 and 146,471,294.84
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Solution
The fourth proportional to 270,230,533.88, 372,918,686.26 and 146,471,294.84 is: 202,130,684.72
Step by Step Solution
- Step 1: Write the proportion equation
270,230,533.88 : 372,918,686.26 = 146,471,294.84 : x - Step 2: Convert to fraction form
270,230,533.88/372,918,686.26 = 146,471,294.84/x - Step 3: Cross multiply
270,230,533.88x = 372,918,686.26 × 146,471,294.84 - Step 4: Simplify right side
270,230,533.88x = 54,621,882,846,533,920 - Step 5: Solve for x
x = 54,621,882,846,533,920/270,230,533.88 - Step 6: Final answer
x = 202,130,684.72
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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.