Finding the Fourth Proportional to 147,233,065.36, 203,172,386.52 and 81,149,927.08
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Solution
The fourth proportional to 147,233,065.36, 203,172,386.52 and 81,149,927.08 is: 111,981,804.57
Step by Step Solution
- Step 1: Write the proportion equation
147,233,065.36 : 203,172,386.52 = 81,149,927.08 : x - Step 2: Convert to fraction form
147,233,065.36/203,172,386.52 = 81,149,927.08/x - Step 3: Cross multiply
147,233,065.36x = 203,172,386.52 × 81,149,927.08 - Step 4: Simplify right side
147,233,065.36x = 16,487,424,350,767,576 - Step 5: Solve for x
x = 16,487,424,350,767,576/147,233,065.36 - Step 6: Final answer
x = 111,981,804.57
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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.