Finding the Fourth Proportional to 53,720,908.08, 74,131,306.20 and 30,203,070
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Solution
The fourth proportional to 53,720,908.08, 74,131,306.20 and 30,203,070 is: 41,678,242.43
Step by Step Solution
- Step 1: Write the proportion equation
53,720,908.08 : 74,131,306.20 = 30,203,070 : x - Step 2: Convert to fraction form
53,720,908.08/74,131,306.20 = 30,203,070/x - Step 3: Cross multiply
53,720,908.08x = 74,131,306.20 × 30,203,070 - Step 4: Simplify right side
53,720,908.08x = 2,238,993,030,350,034 - Step 5: Solve for x
x = 2,238,993,030,350,034/53,720,908.08 - Step 6: Final answer
x = 41,678,242.43
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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.