Finding the Fourth Proportional to 155,410,326.24, 214,460,632.44 and 85,794,215.28
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Solution
The fourth proportional to 155,410,326.24, 214,460,632.44 and 85,794,215.28 is: 118,392,915.80
Step by Step Solution
- Step 1: Write the proportion equation
155,410,326.24 : 214,460,632.44 = 85,794,215.28 : x - Step 2: Convert to fraction form
155,410,326.24/214,460,632.44 = 85,794,215.28/x - Step 3: Cross multiply
155,410,326.24x = 214,460,632.44 × 85,794,215.28 - Step 4: Simplify right side
155,410,326.24x = 18,399,481,668,642,312 - Step 5: Solve for x
x = 18,399,481,668,642,312/155,410,326.24 - Step 6: Final answer
x = 118,392,915.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.