Finding the Fourth Proportional to 238,760,505.36, 358,203,345.12 and 74,991,646.80
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Solution
The fourth proportional to 238,760,505.36, 358,203,345.12 and 74,991,646.80 is: 112,507,128.01
Step by Step Solution
- Step 1: Write the proportion equation
238,760,505.36 : 358,203,345.12 = 74,991,646.80 : x - Step 2: Convert to fraction form
238,760,505.36/358,203,345.12 = 74,991,646.80/x - Step 3: Cross multiply
238,760,505.36x = 358,203,345.12 × 74,991,646.80 - Step 4: Simplify right side
238,760,505.36x = 26,862,258,739,817,544 - Step 5: Solve for x
x = 26,862,258,739,817,544/238,760,505.36 - Step 6: Final answer
x = 112,507,128.01
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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.