Finding the Fourth Proportional to 105,186,239.94, 157,779,361.24 and 28,509,268.12
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Solution
The fourth proportional to 105,186,239.94, 157,779,361.24 and 28,509,268.12 is: 42,763,902.54
Step by Step Solution
- Step 1: Write the proportion equation
105,186,239.94 : 157,779,361.24 = 28,509,268.12 : x - Step 2: Convert to fraction form
105,186,239.94/157,779,361.24 = 28,509,268.12/x - Step 3: Cross multiply
105,186,239.94x = 157,779,361.24 × 28,509,268.12 - Step 4: Simplify right side
105,186,239.94x = 4,498,174,113,393,496 - Step 5: Solve for x
x = 4,498,174,113,393,496/105,186,239.94 - Step 6: Final answer
x = 42,763,902.54
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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.