Finding the Fourth Proportional to 136,478,136.30, 204,717,204.45 and 122,873,246.70
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Solution
The fourth proportional to 136,478,136.30, 204,717,204.45 and 122,873,246.70 is: 184,309,870.05
Step by Step Solution
- Step 1: Write the proportion equation
136,478,136.30 : 204,717,204.45 = 122,873,246.70 : x - Step 2: Convert to fraction form
136,478,136.30/204,717,204.45 = 122,873,246.70/x - Step 3: Cross multiply
136,478,136.30x = 204,717,204.45 × 122,873,246.70 - Step 4: Simplify right side
136,478,136.30x = 25,154,267,566,119,188 - Step 5: Solve for x
x = 25,154,267,566,119,188/136,478,136.30 - Step 6: Final answer
x = 184,309,870.05
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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.