Finding the Fourth Proportional to 135,648,491.90, 203,485,179.45 and 44,772,280.70
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Solution
The fourth proportional to 135,648,491.90, 203,485,179.45 and 44,772,280.70 is: 67,162,527.54
Step by Step Solution
- Step 1: Write the proportion equation
135,648,491.90 : 203,485,179.45 = 44,772,280.70 : x - Step 2: Convert to fraction form
135,648,491.90/203,485,179.45 = 44,772,280.70/x - Step 3: Cross multiply
135,648,491.90x = 203,485,179.45 × 44,772,280.70 - Step 4: Simplify right side
135,648,491.90x = 9,110,495,572,625,272 - Step 5: Solve for x
x = 9,110,495,572,625,272/135,648,491.90 - Step 6: Final answer
x = 67,162,527.54
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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.