Finding the Fourth Proportional to 97,023,937.20, 145,535,905.80 and 39,557,450.40
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Solution
The fourth proportional to 97,023,937.20, 145,535,905.80 and 39,557,450.40 is: 59,336,175.60
Step by Step Solution
- Step 1: Write the proportion equation
97,023,937.20 : 145,535,905.80 = 39,557,450.40 : x - Step 2: Convert to fraction form
97,023,937.20/145,535,905.80 = 39,557,450.40/x - Step 3: Cross multiply
97,023,937.20x = 145,535,905.80 × 39,557,450.40 - Step 4: Simplify right side
97,023,937.20x = 5,757,029,375,102,573 - Step 5: Solve for x
x = 5,757,029,375,102,573/97,023,937.20 - Step 6: Final answer
x = 59,336,175.60
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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.