Finding the Fourth Proportional to 258,905,177.42, 388,355,104.67 and 149,660,836.25
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Solution
The fourth proportional to 258,905,177.42, 388,355,104.67 and 149,660,836.25 is: 224,489,715.90
Step by Step Solution
- Step 1: Write the proportion equation
258,905,177.42 : 388,355,104.67 = 149,660,836.25 : x - Step 2: Convert to fraction form
258,905,177.42/388,355,104.67 = 149,660,836.25/x - Step 3: Cross multiply
258,905,177.42x = 388,355,104.67 × 149,660,836.25 - Step 4: Simplify right side
258,905,177.42x = 58,121,549,724,178,408 - Step 5: Solve for x
x = 58,121,549,724,178,408/258,905,177.42 - Step 6: Final answer
x = 224,489,715.90
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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.