Finding the Fourth Proportional to 97,788,784.38, 134,949,596.53 and 53,735,794.61
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Solution
The fourth proportional to 97,788,784.38, 134,949,596.53 and 53,735,794.61 is: 74,155,986.78
Step by Step Solution
- Step 1: Write the proportion equation
97,788,784.38 : 134,949,596.53 = 53,735,794.61 : x - Step 2: Convert to fraction form
97,788,784.38/134,949,596.53 = 53,735,794.61/x - Step 3: Cross multiply
97,788,784.38x = 134,949,596.53 × 53,735,794.61 - Step 4: Simplify right side
97,788,784.38x = 7,251,623,801,569,770 - Step 5: Solve for x
x = 7,251,623,801,569,770/97,788,784.38 - Step 6: Final answer
x = 74,155,986.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.