Finding the Fourth Proportional to 172,442,120.08, 237,934,602.28 and 99,089,090.32
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Solution
The fourth proportional to 172,442,120.08, 237,934,602.28 and 99,089,090.32 is: 136,722,532.09
Step by Step Solution
- Step 1: Write the proportion equation
172,442,120.08 : 237,934,602.28 = 99,089,090.32 : x - Step 2: Convert to fraction form
172,442,120.08/237,934,602.28 = 99,089,090.32/x - Step 3: Cross multiply
172,442,120.08x = 237,934,602.28 × 99,089,090.32 - Step 4: Simplify right side
172,442,120.08x = 23,576,723,295,576,196 - Step 5: Solve for x
x = 23,576,723,295,576,196/172,442,120.08 - Step 6: Final answer
x = 136,722,532.09
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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.