Finding the Fourth Proportional to 138,850,368.48, 191,615,239.44 and 80,125,219.44
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Solution
The fourth proportional to 138,850,368.48, 191,615,239.44 and 80,125,219.44 is: 110,573,801.68
Step by Step Solution
- Step 1: Write the proportion equation
138,850,368.48 : 191,615,239.44 = 80,125,219.44 : x - Step 2: Convert to fraction form
138,850,368.48/191,615,239.44 = 80,125,219.44/x - Step 3: Cross multiply
138,850,368.48x = 191,615,239.44 × 80,125,219.44 - Step 4: Simplify right side
138,850,368.48x = 15,353,213,108,178,142 - Step 5: Solve for x
x = 15,353,213,108,178,142/138,850,368.48 - Step 6: Final answer
x = 110,573,801.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.