Finding the Fourth Proportional to 162,158,323.10, 223,775,720.09 and 87,818,279.59
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Solution
The fourth proportional to 162,158,323.10, 223,775,720.09 and 87,818,279.59 is: 121,187,727.99
Step by Step Solution
- Step 1: Write the proportion equation
162,158,323.10 : 223,775,720.09 = 87,818,279.59 : x - Step 2: Convert to fraction form
162,158,323.10/223,775,720.09 = 87,818,279.59/x - Step 3: Cross multiply
162,158,323.10x = 223,775,720.09 × 87,818,279.59 - Step 4: Simplify right side
162,158,323.10x = 19,651,598,751,977,308 - Step 5: Solve for x
x = 19,651,598,751,977,308/162,158,323.10 - Step 6: Final answer
x = 121,187,727.99
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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.