Finding the Fourth Proportional to 47,977,564.48, 71,589,517.28 and 45,049,315.84
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Solution
The fourth proportional to 47,977,564.48, 71,589,517.28 and 45,049,315.84 is: 67,220,143.62
Step by Step Solution
- Step 1: Write the proportion equation
47,977,564.48 : 71,589,517.28 = 45,049,315.84 : x - Step 2: Convert to fraction form
47,977,564.48/71,589,517.28 = 45,049,315.84/x - Step 3: Cross multiply
47,977,564.48x = 71,589,517.28 × 45,049,315.84 - Step 4: Simplify right side
47,977,564.48x = 3,225,058,774,779,858 - Step 5: Solve for x
x = 3,225,058,774,779,858/47,977,564.48 - Step 6: Final answer
x = 67,220,143.62
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.