Finding the Fourth Proportional to 107,761,539.80, 161,642,309.70 and 47,295,363.80
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Solution
The fourth proportional to 107,761,539.80, 161,642,309.70 and 47,295,363.80 is: 70,943,045.70
Step by Step Solution
- Step 1: Write the proportion equation
107,761,539.80 : 161,642,309.70 = 47,295,363.80 : x - Step 2: Convert to fraction form
107,761,539.80/161,642,309.70 = 47,295,363.80/x - Step 3: Cross multiply
107,761,539.80x = 161,642,309.70 × 47,295,363.80 - Step 4: Simplify right side
107,761,539.80x = 7,644,931,842,733,768 - Step 5: Solve for x
x = 7,644,931,842,733,768/107,761,539.80 - Step 6: Final answer
x = 70,943,045.70
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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.