Finding the Fourth Proportional to 208,678,570.14, 313,027,921.85 and 68,615,926.35
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Solution
The fourth proportional to 208,678,570.14, 313,027,921.85 and 68,615,926.35 is: 102,927,199.55
Step by Step Solution
- Step 1: Write the proportion equation
208,678,570.14 : 313,027,921.85 = 68,615,926.35 : x - Step 2: Convert to fraction form
208,678,570.14/313,027,921.85 = 68,615,926.35/x - Step 3: Cross multiply
208,678,570.14x = 313,027,921.85 × 68,615,926.35 - Step 4: Simplify right side
208,678,570.14x = 21,478,700,831,396,064 - Step 5: Solve for x
x = 21,478,700,831,396,064/208,678,570.14 - Step 6: Final answer
x = 102,927,199.55
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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.