Finding the Fourth Proportional to 108,388,828.17, 149,576,693.57 and 58,829,212.08
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Solution
The fourth proportional to 108,388,828.17, 149,576,693.57 and 58,829,212.08 is: 81,184,372.75
Step by Step Solution
- Step 1: Write the proportion equation
108,388,828.17 : 149,576,693.57 = 58,829,212.08 : x - Step 2: Convert to fraction form
108,388,828.17/149,576,693.57 = 58,829,212.08/x - Step 3: Cross multiply
108,388,828.17x = 149,576,693.57 × 58,829,212.08 - Step 4: Simplify right side
108,388,828.17x = 8,799,479,028,254,702 - Step 5: Solve for x
x = 8,799,479,028,254,702/108,388,828.17 - Step 6: Final answer
x = 81,184,372.75
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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.