Finding the Fourth Proportional to 233,678,424.02, 322,456,136.68 and 129,230,497.04
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Solution
The fourth proportional to 233,678,424.02, 322,456,136.68 and 129,230,497.04 is: 178,326,976.45
Step by Step Solution
- Step 1: Write the proportion equation
233,678,424.02 : 322,456,136.68 = 129,230,497.04 : x - Step 2: Convert to fraction form
233,678,424.02/322,456,136.68 = 129,230,497.04/x - Step 3: Cross multiply
233,678,424.02x = 322,456,136.68 × 129,230,497.04 - Step 4: Simplify right side
233,678,424.02x = 41,671,166,817,237,640 - Step 5: Solve for x
x = 41,671,166,817,237,640/233,678,424.02 - Step 6: Final answer
x = 178,326,976.45
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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.