Finding the Fourth Proportional to 194,246,743.60, 291,286,134.60 and 97,164,938.80
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Solution
The fourth proportional to 194,246,743.60, 291,286,134.60 and 97,164,938.80 is: 145,705,399.83
Step by Step Solution
- Step 1: Write the proportion equation
194,246,743.60 : 291,286,134.60 = 97,164,938.80 : x - Step 2: Convert to fraction form
194,246,743.60/291,286,134.60 = 97,164,938.80/x - Step 3: Cross multiply
194,246,743.60x = 291,286,134.60 × 97,164,938.80 - Step 4: Simplify right side
194,246,743.60x = 28,302,799,441,697,564 - Step 5: Solve for x
x = 28,302,799,441,697,564/194,246,743.60 - Step 6: Final answer
x = 145,705,399.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.