Finding the Fourth Proportional to 101,187,394.13, 139,639,056.80 and 54,777,647.90
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Solution
The fourth proportional to 101,187,394.13, 139,639,056.80 and 54,777,647.90 is: 75,593,399.28
Step by Step Solution
- Step 1: Write the proportion equation
101,187,394.13 : 139,639,056.80 = 54,777,647.90 : x - Step 2: Convert to fraction form
101,187,394.13/139,639,056.80 = 54,777,647.90/x - Step 3: Cross multiply
101,187,394.13x = 139,639,056.80 × 54,777,647.90 - Step 4: Simplify right side
101,187,394.13x = 7,649,099,086,553,710 - Step 5: Solve for x
x = 7,649,099,086,553,710/101,187,394.13 - Step 6: Final answer
x = 75,593,399.28
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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.