Finding the Fourth Proportional to 96,774,169.40, 145,173,695.70 and 48,276,812.60
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Solution
The fourth proportional to 96,774,169.40, 145,173,695.70 and 48,276,812.60 is: 72,421,425.52
Step by Step Solution
- Step 1: Write the proportion equation
96,774,169.40 : 145,173,695.70 = 48,276,812.60 : x - Step 2: Convert to fraction form
96,774,169.40/145,173,695.70 = 48,276,812.60/x - Step 3: Cross multiply
96,774,169.40x = 145,173,695.70 × 48,276,812.60 - Step 4: Simplify right side
96,774,169.40x = 7,008,523,301,758,325 - Step 5: Solve for x
x = 7,008,523,301,758,325/96,774,169.40 - Step 6: Final answer
x = 72,421,425.52
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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.