Finding the Fourth Proportional to 73,166,110.08, 100,961,953.80 and 42,236,243.76
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Solution
The fourth proportional to 73,166,110.08, 100,961,953.80 and 42,236,243.76 is: 58,281,814.99
Step by Step Solution
- Step 1: Write the proportion equation
73,166,110.08 : 100,961,953.80 = 42,236,243.76 : x - Step 2: Convert to fraction form
73,166,110.08/100,961,953.80 = 42,236,243.76/x - Step 3: Cross multiply
73,166,110.08x = 100,961,953.80 × 42,236,243.76 - Step 4: Simplify right side
73,166,110.08x = 4,264,253,691,182,658 - Step 5: Solve for x
x = 4,264,253,691,182,658/73,166,110.08 - Step 6: Final answer
x = 58,281,814.99
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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.