Finding the Fourth Proportional to 193,513,785.20, 289,872,546.60 and 97,829,586.80
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Solution
The fourth proportional to 193,513,785.20, 289,872,546.60 and 97,829,586.80 is: 146,543,107.66
Step by Step Solution
- Step 1: Write the proportion equation
193,513,785.20 : 289,872,546.60 = 97,829,586.80 : x - Step 2: Convert to fraction form
193,513,785.20/289,872,546.60 = 97,829,586.80/x - Step 3: Cross multiply
193,513,785.20x = 289,872,546.60 × 97,829,586.80 - Step 4: Simplify right side
193,513,785.20x = 28,358,111,458,541,748 - Step 5: Solve for x
x = 28,358,111,458,541,748/193,513,785.20 - Step 6: Final answer
x = 146,543,107.66
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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.