Finding the Fourth Proportional to 122,527,362.26, 169,087,789.58 and 66,772,798.25
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Solution
The fourth proportional to 122,527,362.26, 169,087,789.58 and 66,772,798.25 is: 92,146,477.74
Step by Step Solution
- Step 1: Write the proportion equation
122,527,362.26 : 169,087,789.58 = 66,772,798.25 : x - Step 2: Convert to fraction form
122,527,362.26/169,087,789.58 = 66,772,798.25/x - Step 3: Cross multiply
122,527,362.26x = 169,087,789.58 × 66,772,798.25 - Step 4: Simplify right side
122,527,362.26x = 11,290,464,858,984,488 - Step 5: Solve for x
x = 11,290,464,858,984,488/122,527,362.26 - Step 6: Final answer
x = 92,146,477.74
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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.