Finding the Fourth Proportional to 72,033,211.24, 107,989,266.12 and 58,352,432.80
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Solution
The fourth proportional to 72,033,211.24, 107,989,266.12 and 58,352,432.80 is: 87,479,598.45
Step by Step Solution
- Step 1: Write the proportion equation
72,033,211.24 : 107,989,266.12 = 58,352,432.80 : x - Step 2: Convert to fraction form
72,033,211.24/107,989,266.12 = 58,352,432.80/x - Step 3: Cross multiply
72,033,211.24x = 107,989,266.12 × 58,352,432.80 - Step 4: Simplify right side
72,033,211.24x = 6,301,436,394,388,617 - Step 5: Solve for x
x = 6,301,436,394,388,617/72,033,211.24 - Step 6: Final answer
x = 87,479,598.45
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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.