Finding the Fourth Proportional to 258,915,670.60, 388,224,206.70 and 97,373,936.20
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Solution
The fourth proportional to 258,915,670.60, 388,224,206.70 and 97,373,936.20 is: 146,004,755.32
Step by Step Solution
- Step 1: Write the proportion equation
258,915,670.60 : 388,224,206.70 = 97,373,936.20 : x - Step 2: Convert to fraction form
258,915,670.60/388,224,206.70 = 97,373,936.20/x - Step 3: Cross multiply
258,915,670.60x = 388,224,206.70 × 97,373,936.20 - Step 4: Simplify right side
258,915,670.60x = 37,802,919,134,501,416 - Step 5: Solve for x
x = 37,802,919,134,501,416/258,915,670.60 - Step 6: Final answer
x = 146,004,755.32
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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.