Finding the Fourth Proportional to 122,669,512.70, 183,847,971.45 and 65,189,320.70
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Solution
The fourth proportional to 122,669,512.70, 183,847,971.45 and 65,189,320.70 is: 97,700,921.01
Step by Step Solution
- Step 1: Write the proportion equation
122,669,512.70 : 183,847,971.45 = 65,189,320.70 : x - Step 2: Convert to fraction form
122,669,512.70/183,847,971.45 = 65,189,320.70/x - Step 3: Cross multiply
122,669,512.70x = 183,847,971.45 × 65,189,320.70 - Step 4: Simplify right side
122,669,512.70x = 11,984,924,370,898,494 - Step 5: Solve for x
x = 11,984,924,370,898,494/122,669,512.70 - Step 6: Final answer
x = 97,700,921.01
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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.