Finding the Fourth Proportional to 89,389,738.56, 134,178,430.08 and 79,219,663.68
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Solution
The fourth proportional to 89,389,738.56, 134,178,430.08 and 79,219,663.68 is: 118,912,643.39
Step by Step Solution
- Step 1: Write the proportion equation
89,389,738.56 : 134,178,430.08 = 79,219,663.68 : x - Step 2: Convert to fraction form
89,389,738.56/134,178,430.08 = 79,219,663.68/x - Step 3: Cross multiply
89,389,738.56x = 134,178,430.08 × 79,219,663.68 - Step 4: Simplify right side
89,389,738.56x = 10,629,570,104,047,996 - Step 5: Solve for x
x = 10,629,570,104,047,996/89,389,738.56 - Step 6: Final answer
x = 118,912,643.39
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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.