Finding the Fourth Proportional to 122,933,295.49, 169,657,618.51 and 70,012,240.94
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Solution
The fourth proportional to 122,933,295.49, 169,657,618.51 and 70,012,240.94 is: 96,622,400.12
Step by Step Solution
- Step 1: Write the proportion equation
122,933,295.49 : 169,657,618.51 = 70,012,240.94 : x - Step 2: Convert to fraction form
122,933,295.49/169,657,618.51 = 70,012,240.94/x - Step 3: Cross multiply
122,933,295.49x = 169,657,618.51 × 70,012,240.94 - Step 4: Simplify right side
122,933,295.49x = 11,878,110,064,428,722 - Step 5: Solve for x
x = 11,878,110,064,428,722/122,933,295.49 - Step 6: Final answer
x = 96,622,400.12
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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.