Finding the Fourth Proportional to 239,785,555.26, 330,904,058.31 and 129,777,267.18
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Solution
The fourth proportional to 239,785,555.26, 330,904,058.31 and 129,777,267.18 is: 179,092,624.41
Step by Step Solution
- Step 1: Write the proportion equation
239,785,555.26 : 330,904,058.31 = 129,777,267.18 : x - Step 2: Convert to fraction form
239,785,555.26/330,904,058.31 = 129,777,267.18/x - Step 3: Cross multiply
239,785,555.26x = 330,904,058.31 × 129,777,267.18 - Step 4: Simplify right side
239,785,555.26x = 42,943,824,386,243,168 - Step 5: Solve for x
x = 42,943,824,386,243,168/239,785,555.26 - Step 6: Final answer
x = 179,092,624.41
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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.