Finding the Fourth Proportional to 212,584,822.41, 318,877,237.71 and 51,026,758.41
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Solution
The fourth proportional to 212,584,822.41, 318,877,237.71 and 51,026,758.41 is: 76,540,138.60
Step by Step Solution
- Step 1: Write the proportion equation
212,584,822.41 : 318,877,237.71 = 51,026,758.41 : x - Step 2: Convert to fraction form
212,584,822.41/318,877,237.71 = 51,026,758.41/x - Step 3: Cross multiply
212,584,822.41x = 318,877,237.71 × 51,026,758.41 - Step 4: Simplify right side
212,584,822.41x = 16,271,271,771,076,310 - Step 5: Solve for x
x = 16,271,271,771,076,310/212,584,822.41 - Step 6: Final answer
x = 76,540,138.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.