Finding the Fourth Proportional to 66,425,009.84, 99,630,787.53 and 17,907,768.05
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Solution
The fourth proportional to 66,425,009.84, 99,630,787.53 and 17,907,768.05 is: 26,859,838.45
Step by Step Solution
- Step 1: Write the proportion equation
66,425,009.84 : 99,630,787.53 = 17,907,768.05 : x - Step 2: Convert to fraction form
66,425,009.84/99,630,787.53 = 17,907,768.05/x - Step 3: Cross multiply
66,425,009.84x = 99,630,787.53 × 17,907,768.05 - Step 4: Simplify right side
66,425,009.84x = 1,784,165,033,295,072.75 - Step 5: Solve for x
x = 1,784,165,033,295,072.75/66,425,009.84 - Step 6: Final answer
x = 26,859,838.45
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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.