Finding the Fourth Proportional to 59,220,961.40, 81,725,193.26 and 33,115,488.68
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Solution
The fourth proportional to 59,220,961.40, 81,725,193.26 and 33,115,488.68 is: 45,699,523.41
Step by Step Solution
- Step 1: Write the proportion equation
59,220,961.40 : 81,725,193.26 = 33,115,488.68 : x - Step 2: Convert to fraction form
59,220,961.40/81,725,193.26 = 33,115,488.68/x - Step 3: Cross multiply
59,220,961.40x = 81,725,193.26 × 33,115,488.68 - Step 4: Simplify right side
59,220,961.40x = 2,706,369,711,698,139 - Step 5: Solve for x
x = 2,706,369,711,698,139/59,220,961.40 - Step 6: Final answer
x = 45,699,523.41
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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.