Finding the Fourth Proportional to 258,576,643.44, 356,843,339.64 and 141,109,543.08
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Solution
The fourth proportional to 258,576,643.44, 356,843,339.64 and 141,109,543.08 is: 194,735,301.45
Step by Step Solution
- Step 1: Write the proportion equation
258,576,643.44 : 356,843,339.64 = 141,109,543.08 : x - Step 2: Convert to fraction form
258,576,643.44/356,843,339.64 = 141,109,543.08/x - Step 3: Cross multiply
258,576,643.44x = 356,843,339.64 × 141,109,543.08 - Step 4: Simplify right side
258,576,643.44x = 50,354,000,607,741,656 - Step 5: Solve for x
x = 50,354,000,607,741,656/258,576,643.44 - Step 6: Final answer
x = 194,735,301.45
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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.