Finding the Fourth Proportional to 64,950,725.43, 89,631,993.65 and 38,845,239.08
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Solution
The fourth proportional to 64,950,725.43, 89,631,993.65 and 38,845,239.08 is: 53,606,425.47
Step by Step Solution
- Step 1: Write the proportion equation
64,950,725.43 : 89,631,993.65 = 38,845,239.08 : x - Step 2: Convert to fraction form
64,950,725.43/89,631,993.65 = 38,845,239.08/x - Step 3: Cross multiply
64,950,725.43x = 89,631,993.65 × 38,845,239.08 - Step 4: Simplify right side
64,950,725.43x = 3,481,776,221,908,906 - Step 5: Solve for x
x = 3,481,776,221,908,906/64,950,725.43 - Step 6: Final answer
x = 53,606,425.47
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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.