Finding the Fourth Proportional to 185,652,023.70, 278,478,035.55 and 185,652,023.70
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Solution
The fourth proportional to 185,652,023.70, 278,478,035.55 and 185,652,023.70 is: 278,478,035.55
Step by Step Solution
- Step 1: Write the proportion equation
185,652,023.70 : 278,478,035.55 = 185,652,023.70 : x - Step 2: Convert to fraction form
185,652,023.70/278,478,035.55 = 185,652,023.70/x - Step 3: Cross multiply
185,652,023.70x = 278,478,035.55 × 185,652,023.70 - Step 4: Simplify right side
185,652,023.70x = 51,700,010,855,858,040 - Step 5: Solve for x
x = 51,700,010,855,858,040/185,652,023.70 - Step 6: Final answer
x = 278,478,035.55
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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.