Finding the Fourth Proportional to 65,610,425.20, 98,415,637.80 and 48,604,313.20
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Solution
The fourth proportional to 65,610,425.20, 98,415,637.80 and 48,604,313.20 is: 72,906,469.80
Step by Step Solution
- Step 1: Write the proportion equation
65,610,425.20 : 98,415,637.80 = 48,604,313.20 : x - Step 2: Convert to fraction form
65,610,425.20/98,415,637.80 = 48,604,313.20/x - Step 3: Cross multiply
65,610,425.20x = 98,415,637.80 × 48,604,313.20 - Step 4: Simplify right side
65,610,425.20x = 4,783,424,483,408,959 - Step 5: Solve for x
x = 4,783,424,483,408,959/65,610,425.20 - Step 6: Final answer
x = 72,906,469.80
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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.