Finding the Fourth Proportional to 122,664,784.20, 183,840,878.70 and 65,184,592.20
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Solution
The fourth proportional to 122,664,784.20, 183,840,878.70 and 65,184,592.20 is: 97,693,831.09
Step by Step Solution
- Step 1: Write the proportion equation
122,664,784.20 : 183,840,878.70 = 65,184,592.20 : x - Step 2: Convert to fraction form
122,664,784.20/183,840,878.70 = 65,184,592.20/x - Step 3: Cross multiply
122,664,784.20x = 183,840,878.70 × 65,184,592.20 - Step 4: Simplify right side
122,664,784.20x = 11,983,592,707,749,166 - Step 5: Solve for x
x = 11,983,592,707,749,166/122,664,784.20 - Step 6: Final answer
x = 97,693,831.09
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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.