Finding the Fourth Proportional to 90,437,713.76, 124,806,835.68 and 51,281,121.44
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Solution
The fourth proportional to 90,437,713.76, 124,806,835.68 and 51,281,121.44 is: 70,769,530.00
Step by Step Solution
- Step 1: Write the proportion equation
90,437,713.76 : 124,806,835.68 = 51,281,121.44 : x - Step 2: Convert to fraction form
90,437,713.76/124,806,835.68 = 51,281,121.44/x - Step 3: Cross multiply
90,437,713.76x = 124,806,835.68 × 51,281,121.44 - Step 4: Simplify right side
90,437,713.76x = 6,400,234,497,048,205 - Step 5: Solve for x
x = 6,400,234,497,048,205/90,437,713.76 - Step 6: Final answer
x = 70,769,530.00
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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.