Finding the Fourth Proportional to 270,751,711.32, 373,660,484.40 and 153,297,739.08
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Solution
The fourth proportional to 270,751,711.32, 373,660,484.40 and 153,297,739.08 is: 211,563,971.89
Step by Step Solution
- Step 1: Write the proportion equation
270,751,711.32 : 373,660,484.40 = 153,297,739.08 : x - Step 2: Convert to fraction form
270,751,711.32/373,660,484.40 = 153,297,739.08/x - Step 3: Cross multiply
270,751,711.32x = 373,660,484.40 × 153,297,739.08 - Step 4: Simplify right side
270,751,711.32x = 57,281,307,442,057,608 - Step 5: Solve for x
x = 57,281,307,442,057,608/270,751,711.32 - Step 6: Final answer
x = 211,563,971.89
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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.