Finding the Fourth Proportional to 270,080,103.06, 372,712,331.61 and 146,320,780.19
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Solution
The fourth proportional to 270,080,103.06, 372,712,331.61 and 146,320,780.19 is: 201,923,646.09
Step by Step Solution
- Step 1: Write the proportion equation
270,080,103.06 : 372,712,331.61 = 146,320,780.19 : x - Step 2: Convert to fraction form
270,080,103.06/372,712,331.61 = 146,320,780.19/x - Step 3: Cross multiply
270,080,103.06x = 372,712,331.61 × 146,320,780.19 - Step 4: Simplify right side
270,080,103.06x = 54,535,559,145,745,640 - Step 5: Solve for x
x = 54,535,559,145,745,640/270,080,103.06 - Step 6: Final answer
x = 201,923,646.09
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1.5x scale
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.