Finding the Fourth Proportional to 142,476,555.20, 213,714,832.80 and 97,126,923.20
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Solution
The fourth proportional to 142,476,555.20, 213,714,832.80 and 97,126,923.20 is: 145,690,384.80
Step by Step Solution
- Step 1: Write the proportion equation
142,476,555.20 : 213,714,832.80 = 97,126,923.20 : x - Step 2: Convert to fraction form
142,476,555.20/213,714,832.80 = 97,126,923.20/x - Step 3: Cross multiply
142,476,555.20x = 213,714,832.80 × 97,126,923.20 - Step 4: Simplify right side
142,476,555.20x = 20,757,464,152,066,444 - Step 5: Solve for x
x = 20,757,464,152,066,444/142,476,555.20 - Step 6: Final answer
x = 145,690,384.80
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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.