Finding the Fourth Proportional to 98,164,306.96, 135,465,977.28 and 53,510,173.36
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Solution
The fourth proportional to 98,164,306.96, 135,465,977.28 and 53,510,173.36 is: 73,843,621.51
Step by Step Solution
- Step 1: Write the proportion equation
98,164,306.96 : 135,465,977.28 = 53,510,173.36 : x - Step 2: Convert to fraction form
98,164,306.96/135,465,977.28 = 53,510,173.36/x - Step 3: Cross multiply
98,164,306.96x = 135,465,977.28 × 53,510,173.36 - Step 4: Simplify right side
98,164,306.96x = 7,248,807,928,634,621 - Step 5: Solve for x
x = 7,248,807,928,634,621/98,164,306.96 - Step 6: Final answer
x = 73,843,621.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.