Finding the Fourth Proportional to 170,058,085.24, 234,599,331.36 and 100,396,798.96
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Solution
The fourth proportional to 170,058,085.24, 234,599,331.36 and 100,396,798.96 is: 138,499,865.35
Step by Step Solution
- Step 1: Write the proportion equation
170,058,085.24 : 234,599,331.36 = 100,396,798.96 : x - Step 2: Convert to fraction form
170,058,085.24/234,599,331.36 = 100,396,798.96/x - Step 3: Cross multiply
170,058,085.24x = 234,599,331.36 × 100,396,798.96 - Step 4: Simplify right side
170,058,085.24x = 23,553,021,906,700,344 - Step 5: Solve for x
x = 23,553,021,906,700,344/170,058,085.24 - Step 6: Final answer
x = 138,499,865.35
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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.