Finding the Fourth Proportional to 73,602,002.70, 110,403,004.05 and 73,098,117.90
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Solution
The fourth proportional to 73,602,002.70, 110,403,004.05 and 73,098,117.90 is: 109,647,176.85
Step by Step Solution
- Step 1: Write the proportion equation
73,602,002.70 : 110,403,004.05 = 73,098,117.90 : x - Step 2: Convert to fraction form
73,602,002.70/110,403,004.05 = 73,098,117.90/x - Step 3: Cross multiply
73,602,002.70x = 110,403,004.05 × 73,098,117.90 - Step 4: Simplify right side
73,602,002.70x = 8,070,251,806,561,078 - Step 5: Solve for x
x = 8,070,251,806,561,078/73,602,002.70 - Step 6: Final answer
x = 109,647,176.85
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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.