Finding the Fourth Proportional to 77,837,534.23, 107,410,402.60 and 43,027,484.42
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Solution
The fourth proportional to 77,837,534.23, 107,410,402.60 and 43,027,484.42 is: 59,374,946.42
Step by Step Solution
- Step 1: Write the proportion equation
77,837,534.23 : 107,410,402.60 = 43,027,484.42 : x - Step 2: Convert to fraction form
77,837,534.23/107,410,402.60 = 43,027,484.42/x - Step 3: Cross multiply
77,837,534.23x = 107,410,402.60 × 43,027,484.42 - Step 4: Simplify right side
77,837,534.23x = 4,621,599,424,417,427 - Step 5: Solve for x
x = 4,621,599,424,417,427/77,837,534.23 - Step 6: Final answer
x = 59,374,946.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.