Finding the Fourth Proportional to 63,125,855.20, 87,173,840.82 and 59,686,787.53
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Solution
The fourth proportional to 63,125,855.20, 87,173,840.82 and 59,686,787.53 is: 82,424,649.91
Step by Step Solution
- Step 1: Write the proportion equation
63,125,855.20 : 87,173,840.82 = 59,686,787.53 : x - Step 2: Convert to fraction form
63,125,855.20/87,173,840.82 = 59,686,787.53/x - Step 3: Cross multiply
63,125,855.20x = 87,173,840.82 × 59,686,787.53 - Step 4: Simplify right side
63,125,855.20x = 5,203,126,515,197,381 - Step 5: Solve for x
x = 5,203,126,515,197,381/63,125,855.20 - Step 6: Final answer
x = 82,424,649.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.