Finding the Fourth Proportional to 150,898,148, 208,239,446.40 and 82,220,516
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Solution
The fourth proportional to 150,898,148, 208,239,446.40 and 82,220,516 is: 113,464,313.26
Step by Step Solution
- Step 1: Write the proportion equation
150,898,148 : 208,239,446.40 = 82,220,516 : x - Step 2: Convert to fraction form
150,898,148/208,239,446.40 = 82,220,516/x - Step 3: Cross multiply
150,898,148x = 208,239,446.40 × 82,220,516 - Step 4: Simplify right side
150,898,148x = 17,121,554,734,562,342 - Step 5: Solve for x
x = 17,121,554,734,562,342/150,898,148 - Step 6: Final answer
x = 113,464,313.26
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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.