Finding the Fourth Proportional to 83,592,457.65, 125,388,686.48 and 38,242,825.65
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Solution
The fourth proportional to 83,592,457.65, 125,388,686.48 and 38,242,825.65 is: 57,364,238.48
Step by Step Solution
- Step 1: Write the proportion equation
83,592,457.65 : 125,388,686.48 = 38,242,825.65 : x - Step 2: Convert to fraction form
83,592,457.65/125,388,686.48 = 38,242,825.65/x - Step 3: Cross multiply
83,592,457.65x = 125,388,686.48 × 38,242,825.65 - Step 4: Simplify right side
83,592,457.65x = 4,795,217,675,345,938 - Step 5: Solve for x
x = 4,795,217,675,345,938/83,592,457.65 - Step 6: Final answer
x = 57,364,238.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.