Finding the Fourth Proportional to 48,002,006.96, 66,243,170.23 and 28,167,632.54
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Solution
The fourth proportional to 48,002,006.96, 66,243,170.23 and 28,167,632.54 is: 38,871,567.99
Step by Step Solution
- Step 1: Write the proportion equation
48,002,006.96 : 66,243,170.23 = 28,167,632.54 : x - Step 2: Convert to fraction form
48,002,006.96/66,243,170.23 = 28,167,632.54/x - Step 3: Cross multiply
48,002,006.96x = 66,243,170.23 × 28,167,632.54 - Step 4: Simplify right side
48,002,006.96x = 1,865,913,277,323,307.25 - Step 5: Solve for x
x = 1,865,913,277,323,307.25/48,002,006.96 - Step 6: Final answer
x = 38,871,567.99
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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.