Finding the Fourth Proportional to 130,747,090.74, 180,443,729.84 and 97,649,879.44
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Solution
The fourth proportional to 130,747,090.74, 180,443,729.84 and 97,649,879.44 is: 134,766,352.08
Step by Step Solution
- Step 1: Write the proportion equation
130,747,090.74 : 180,443,729.84 = 97,649,879.44 : x - Step 2: Convert to fraction form
130,747,090.74/180,443,729.84 = 97,649,879.44/x - Step 3: Cross multiply
130,747,090.74x = 180,443,729.84 × 97,649,879.44 - Step 4: Simplify right side
130,747,090.74x = 17,620,308,464,579,930 - Step 5: Solve for x
x = 17,620,308,464,579,930/130,747,090.74 - Step 6: Final answer
x = 134,766,352.08
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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.