Finding the Fourth Proportional to 105,319,412.92, 157,994,231.58 and 32,542,548.28
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Solution
The fourth proportional to 105,319,412.92, 157,994,231.58 and 32,542,548.28 is: 48,818,491.92
Step by Step Solution
- Step 1: Write the proportion equation
105,319,412.92 : 157,994,231.58 = 32,542,548.28 : x - Step 2: Convert to fraction form
105,319,412.92/157,994,231.58 = 32,542,548.28/x - Step 3: Cross multiply
105,319,412.92x = 157,994,231.58 × 32,542,548.28 - Step 4: Simplify right side
105,319,412.92x = 5,141,534,909,153,651 - Step 5: Solve for x
x = 5,141,534,909,153,651/105,319,412.92 - Step 6: Final answer
x = 48,818,491.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.