Finding the Fourth Proportional to 49,943,580, 68,859,424.35 and 38,197,257.63
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Solution
The fourth proportional to 49,943,580, 68,859,424.35 and 38,197,257.63 is: 52,664,249.78
Step by Step Solution
- Step 1: Write the proportion equation
49,943,580 : 68,859,424.35 = 38,197,257.63 : x - Step 2: Convert to fraction form
49,943,580/68,859,424.35 = 38,197,257.63/x - Step 3: Cross multiply
49,943,580x = 68,859,424.35 × 38,197,257.63 - Step 4: Simplify right side
49,943,580x = 2,630,241,172,150,445 - Step 5: Solve for x
x = 2,630,241,172,150,445/49,943,580 - Step 6: Final answer
x = 52,664,249.78
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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.