Finding the Fourth Proportional to 215,541,467.70, 323,312,201.55 and 124,842,203.70
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Solution
The fourth proportional to 215,541,467.70, 323,312,201.55 and 124,842,203.70 is: 187,263,305.55
Step by Step Solution
- Step 1: Write the proportion equation
215,541,467.70 : 323,312,201.55 = 124,842,203.70 : x - Step 2: Convert to fraction form
215,541,467.70/323,312,201.55 = 124,842,203.70/x - Step 3: Cross multiply
215,541,467.70x = 323,312,201.55 × 124,842,203.70 - Step 4: Simplify right side
215,541,467.70x = 40,363,007,724,600,560 - Step 5: Solve for x
x = 40,363,007,724,600,560/215,541,467.70 - Step 6: Final answer
x = 187,263,305.55
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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.