Finding the Fourth Proportional to 74,910,659.56, 112,363,456.62 and 26,387,245.30
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Solution
The fourth proportional to 74,910,659.56, 112,363,456.62 and 26,387,245.30 is: 39,579,975.80
Step by Step Solution
- Step 1: Write the proportion equation
74,910,659.56 : 112,363,456.62 = 26,387,245.30 : x - Step 2: Convert to fraction form
74,910,659.56/112,363,456.62 = 26,387,245.30/x - Step 3: Cross multiply
74,910,659.56x = 112,363,456.62 × 26,387,245.30 - Step 4: Simplify right side
74,910,659.56x = 2,964,962,092,587,849 - Step 5: Solve for x
x = 2,964,962,092,587,849/74,910,659.56 - Step 6: Final answer
x = 39,579,975.80
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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.