Finding the Fourth Proportional to 258,165,491.49, 356,259,329.26 and 140,688,424.53
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Solution
The fourth proportional to 258,165,491.49, 356,259,329.26 and 140,688,424.53 is: 194,145,094.56
Step by Step Solution
- Step 1: Write the proportion equation
258,165,491.49 : 356,259,329.26 = 140,688,424.53 : x - Step 2: Convert to fraction form
258,165,491.49/356,259,329.26 = 140,688,424.53/x - Step 3: Cross multiply
258,165,491.49x = 356,259,329.26 × 140,688,424.53 - Step 4: Simplify right side
258,165,491.49x = 50,121,563,757,352,208 - Step 5: Solve for x
x = 50,121,563,757,352,208/258,165,491.49 - Step 6: Final answer
x = 194,145,094.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.