Finding the Fourth Proportional to 71,869,726.90, 107,804,590.35 and 26,422,117.30
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Solution
The fourth proportional to 71,869,726.90, 107,804,590.35 and 26,422,117.30 is: 39,633,175.95
Step by Step Solution
- Step 1: Write the proportion equation
71,869,726.90 : 107,804,590.35 = 26,422,117.30 : x - Step 2: Convert to fraction form
71,869,726.90/107,804,590.35 = 26,422,117.30/x - Step 3: Cross multiply
71,869,726.90x = 107,804,590.35 × 26,422,117.30 - Step 4: Simplify right side
71,869,726.90x = 2,848,425,531,706,148 - Step 5: Solve for x
x = 2,848,425,531,706,148/71,869,726.90 - Step 6: Final answer
x = 39,633,175.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.