Finding the Fourth Proportional to 54,161,577.79, 74,742,977.34 and 30,957,202.96
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Solution
The fourth proportional to 54,161,577.79, 74,742,977.34 and 30,957,202.96 is: 42,720,940.08
Step by Step Solution
- Step 1: Write the proportion equation
54,161,577.79 : 74,742,977.34 = 30,957,202.96 : x - Step 2: Convert to fraction form
54,161,577.79/74,742,977.34 = 30,957,202.96/x - Step 3: Cross multiply
54,161,577.79x = 74,742,977.34 × 30,957,202.96 - Step 4: Simplify right side
54,161,577.79x = 2,313,833,519,349,061 - Step 5: Solve for x
x = 2,313,833,519,349,061/54,161,577.79 - Step 6: Final answer
x = 42,720,940.08
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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.