Finding the Fourth Proportional to 225,083,576.29, 310,608,664.09 and 124,616,491.17
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Solution
The fourth proportional to 225,083,576.29, 310,608,664.09 and 124,616,491.17 is: 171,967,064.34
Step by Step Solution
- Step 1: Write the proportion equation
225,083,576.29 : 310,608,664.09 = 124,616,491.17 : x - Step 2: Convert to fraction form
225,083,576.29/310,608,664.09 = 124,616,491.17/x - Step 3: Cross multiply
225,083,576.29x = 310,608,664.09 × 124,616,491.17 - Step 4: Simplify right side
225,083,576.29x = 38,706,961,845,896,976 - Step 5: Solve for x
x = 38,706,961,845,896,976/225,083,576.29 - Step 6: Final answer
x = 171,967,064.34
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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.